/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread-lit/fkp2013-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 23:40:20,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 23:40:20,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 23:40:20,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-01-06 23:40:20,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 23:40:20,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 23:40:20,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 23:40:20,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 23:40:20,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 23:40:20,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 23:40:20,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 23:40:20,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 23:40:20,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 23:40:20,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 23:40:20,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 23:40:20,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 23:40:20,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 23:40:20,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 23:40:20,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 23:40:20,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 23:40:20,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 23:40:20,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 23:40:20,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 23:40:20,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 23:40:20,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 23:40:20,366 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 23:40:20,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 23:40:20,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 23:40:20,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 23:40:20,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 23:40:20,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 23:40:20,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 23:40:20,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 23:40:20,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 23:40:20,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 23:40:20,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 23:40:20,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 23:40:20,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 23:40:20,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:40:20,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 23:40:20,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 23:40:20,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 23:40:20,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 23:40:20,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 23:40:20,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 23:40:20,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 23:40:20,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 23:40:20,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 23:40:20,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 23:40:20,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 23:40:20,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 23:40:20,783 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 23:40:20,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/fkp2013-2.i [2021-01-06 23:40:20,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c92ab5dcd/0b118048372f4b0386fae4dcb2f3bcbf/FLAG9201c7412 [2021-01-06 23:40:21,743 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 23:40:21,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-2.i [2021-01-06 23:40:21,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c92ab5dcd/0b118048372f4b0386fae4dcb2f3bcbf/FLAG9201c7412 [2021-01-06 23:40:21,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c92ab5dcd/0b118048372f4b0386fae4dcb2f3bcbf [2021-01-06 23:40:21,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 23:40:21,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 23:40:21,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 23:40:21,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 23:40:21,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 23:40:21,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:40:21" (1/1) ... [2021-01-06 23:40:21,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e51fecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:21, skipping insertion in model container [2021-01-06 23:40:21,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:40:21" (1/1) ... [2021-01-06 23:40:21,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 23:40:22,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 23:40:22,386 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-2.i[30003,30016] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] [2021-01-06 23:40:22,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:40:22,421 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 23:40:22,464 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-2.i[30003,30016] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~x~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] [2021-01-06 23:40:22,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 23:40:22,616 INFO L208 MainTranslator]: Completed translation [2021-01-06 23:40:22,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22 WrapperNode [2021-01-06 23:40:22,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 23:40:22,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 23:40:22,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 23:40:22,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 23:40:22,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 23:40:22,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 23:40:22,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 23:40:22,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 23:40:22,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... [2021-01-06 23:40:22,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 23:40:22,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 23:40:22,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 23:40:22,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 23:40:22,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 23:40:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-06 23:40:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-06 23:40:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-06 23:40:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-06 23:40:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 23:40:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 23:40:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 23:40:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 23:40:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 23:40:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 23:40:22,822 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-06 23:40:23,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 23:40:23,384 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 23:40:23,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:40:23 BoogieIcfgContainer [2021-01-06 23:40:23,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 23:40:23,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 23:40:23,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 23:40:23,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 23:40:23,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:40:21" (1/3) ... [2021-01-06 23:40:23,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b78b5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:40:23, skipping insertion in model container [2021-01-06 23:40:23,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:40:22" (2/3) ... [2021-01-06 23:40:23,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b78b5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:40:23, skipping insertion in model container [2021-01-06 23:40:23,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:40:23" (3/3) ... [2021-01-06 23:40:23,401 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-2.i [2021-01-06 23:40:23,408 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-06 23:40:23,409 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 23:40:23,415 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 23:40:23,416 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-06 23:40:23,449 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,450 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,450 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,450 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,451 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,451 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,451 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,451 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,452 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,453 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,453 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,454 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,454 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,463 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,463 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,464 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,464 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,464 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:23,473 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:40:23,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-06 23:40:23,530 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:40:23,530 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:40:23,530 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:40:23,531 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:40:23,531 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:40:23,531 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:40:23,531 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:40:23,531 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:40:23,544 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:40:23,547 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 122 flow [2021-01-06 23:40:23,551 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 122 flow [2021-01-06 23:40:23,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 122 flow [2021-01-06 23:40:23,601 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2021-01-06 23:40:23,601 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-01-06 23:40:23,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 108 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2021-01-06 23:40:23,610 INFO L116 LiptonReduction]: Number of co-enabled transitions 742 [2021-01-06 23:40:26,243 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-01-06 23:40:26,466 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-01-06 23:40:26,824 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:26,944 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:27,248 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:27,385 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:27,388 INFO L131 LiptonReduction]: Checked pairs total: 666 [2021-01-06 23:40:27,388 INFO L133 LiptonReduction]: Total number of compositions: 52 [2021-01-06 23:40:27,395 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2021-01-06 23:40:27,406 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2021-01-06 23:40:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2021-01-06 23:40:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:40:27,414 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:27,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:40:27,416 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:27,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:27,422 INFO L82 PathProgramCache]: Analyzing trace with hash 223791, now seen corresponding path program 1 times [2021-01-06 23:40:27,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:27,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871655906] [2021-01-06 23:40:27,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:27,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871655906] [2021-01-06 23:40:27,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:27,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:40:27,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701894151] [2021-01-06 23:40:27,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:40:27,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:27,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:40:27,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:27,704 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2021-01-06 23:40:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:27,748 INFO L93 Difference]: Finished difference Result 40 states and 63 transitions. [2021-01-06 23:40:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:40:27,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:40:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:27,764 INFO L225 Difference]: With dead ends: 40 [2021-01-06 23:40:27,765 INFO L226 Difference]: Without dead ends: 35 [2021-01-06 23:40:27,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-01-06 23:40:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-01-06 23:40:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-01-06 23:40:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2021-01-06 23:40:27,826 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2021-01-06 23:40:27,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:27,827 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2021-01-06 23:40:27,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:40:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2021-01-06 23:40:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-06 23:40:27,828 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:27,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:27,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 23:40:27,828 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:27,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:27,833 INFO L82 PathProgramCache]: Analyzing trace with hash 502714565, now seen corresponding path program 1 times [2021-01-06 23:40:27,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:27,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059716988] [2021-01-06 23:40:27,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:27,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059716988] [2021-01-06 23:40:27,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:27,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 23:40:27,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150113427] [2021-01-06 23:40:27,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 23:40:27,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:27,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 23:40:27,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:40:27,941 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2021-01-06 23:40:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:27,959 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2021-01-06 23:40:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 23:40:27,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-01-06 23:40:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:27,962 INFO L225 Difference]: With dead ends: 26 [2021-01-06 23:40:27,962 INFO L226 Difference]: Without dead ends: 24 [2021-01-06 23:40:27,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 23:40:27,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-01-06 23:40:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-01-06 23:40:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-01-06 23:40:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2021-01-06 23:40:27,972 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2021-01-06 23:40:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:27,973 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2021-01-06 23:40:27,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 23:40:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-01-06 23:40:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-06 23:40:27,974 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:27,974 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:27,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 23:40:27,974 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:27,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1595735755, now seen corresponding path program 1 times [2021-01-06 23:40:27,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:27,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229179667] [2021-01-06 23:40:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:28,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:28,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:28,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:40:28,053 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:40:28,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 23:40:28,054 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-06 23:40:28,054 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-06 23:40:28,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,085 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,097 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,098 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,098 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,098 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,098 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:28,106 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:40:28,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-06 23:40:28,107 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:40:28,108 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:40:28,108 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:40:28,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:40:28,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:40:28,108 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:40:28,108 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:40:28,108 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:40:28,111 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:40:28,111 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 75 transitions, 174 flow [2021-01-06 23:40:28,111 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 75 transitions, 174 flow [2021-01-06 23:40:28,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 75 transitions, 174 flow [2021-01-06 23:40:28,134 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2021-01-06 23:40:28,135 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-01-06 23:40:28,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2021-01-06 23:40:28,139 INFO L116 LiptonReduction]: Number of co-enabled transitions 1172 [2021-01-06 23:40:30,511 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:30,823 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:30,928 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:30,932 INFO L131 LiptonReduction]: Checked pairs total: 1422 [2021-01-06 23:40:30,932 INFO L133 LiptonReduction]: Total number of compositions: 65 [2021-01-06 23:40:30,933 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2021-01-06 23:40:30,946 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2021-01-06 23:40:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2021-01-06 23:40:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:40:30,947 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:30,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:40:30,948 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:30,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:30,948 INFO L82 PathProgramCache]: Analyzing trace with hash 381239, now seen corresponding path program 1 times [2021-01-06 23:40:30,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:30,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359285337] [2021-01-06 23:40:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:30,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359285337] [2021-01-06 23:40:30,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:30,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:40:30,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505426562] [2021-01-06 23:40:30,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:40:30,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:30,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:40:30,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:30,993 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2021-01-06 23:40:31,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:31,022 INFO L93 Difference]: Finished difference Result 220 states and 513 transitions. [2021-01-06 23:40:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:40:31,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:40:31,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:31,029 INFO L225 Difference]: With dead ends: 220 [2021-01-06 23:40:31,029 INFO L226 Difference]: Without dead ends: 200 [2021-01-06 23:40:31,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-01-06 23:40:31,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 171. [2021-01-06 23:40:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2021-01-06 23:40:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2021-01-06 23:40:31,071 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2021-01-06 23:40:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:31,080 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2021-01-06 23:40:31,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:40:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2021-01-06 23:40:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:40:31,081 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:31,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:31,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 23:40:31,082 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash 787945052, now seen corresponding path program 1 times [2021-01-06 23:40:31,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:31,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704124095] [2021-01-06 23:40:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:31,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704124095] [2021-01-06 23:40:31,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:31,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:31,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770825742] [2021-01-06 23:40:31,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:31,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:31,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:31,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:31,142 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2021-01-06 23:40:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:31,207 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2021-01-06 23:40:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:31,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-01-06 23:40:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:31,216 INFO L225 Difference]: With dead ends: 205 [2021-01-06 23:40:31,216 INFO L226 Difference]: Without dead ends: 201 [2021-01-06 23:40:31,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-01-06 23:40:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2021-01-06 23:40:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-01-06 23:40:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2021-01-06 23:40:31,244 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2021-01-06 23:40:31,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:31,245 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2021-01-06 23:40:31,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2021-01-06 23:40:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:40:31,246 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:31,246 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:31,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 23:40:31,247 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:31,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:31,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1520790423, now seen corresponding path program 1 times [2021-01-06 23:40:31,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:31,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090990688] [2021-01-06 23:40:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:31,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090990688] [2021-01-06 23:40:31,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:31,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:31,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334575528] [2021-01-06 23:40:31,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:31,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:31,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:31,307 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2021-01-06 23:40:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:31,361 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2021-01-06 23:40:31,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:31,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:40:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:31,369 INFO L225 Difference]: With dead ends: 189 [2021-01-06 23:40:31,369 INFO L226 Difference]: Without dead ends: 185 [2021-01-06 23:40:31,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:31,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-01-06 23:40:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2021-01-06 23:40:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2021-01-06 23:40:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2021-01-06 23:40:31,400 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2021-01-06 23:40:31,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:31,401 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2021-01-06 23:40:31,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2021-01-06 23:40:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-01-06 23:40:31,403 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:31,403 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:31,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 23:40:31,404 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:31,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:31,404 INFO L82 PathProgramCache]: Analyzing trace with hash -103140850, now seen corresponding path program 1 times [2021-01-06 23:40:31,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:31,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970021452] [2021-01-06 23:40:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:31,445 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:31,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:31,471 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:40:31,472 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:40:31,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 23:40:31,472 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-06 23:40:31,474 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-01-06 23:40:31,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,486 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,494 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,496 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,496 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,505 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,505 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,506 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,507 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,508 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,509 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,515 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,515 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,516 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,517 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,517 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,517 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,518 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,518 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,519 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:31,525 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:40:31,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 23:40:31,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:40:31,526 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:40:31,526 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:40:31,526 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:40:31,526 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:40:31,526 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:40:31,526 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:40:31,526 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:40:31,529 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:40:31,529 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 94 transitions, 230 flow [2021-01-06 23:40:31,529 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 94 transitions, 230 flow [2021-01-06 23:40:31,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 94 transitions, 230 flow [2021-01-06 23:40:31,552 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2021-01-06 23:40:31,552 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-01-06 23:40:31,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 124. Up to 8 conditions per place. [2021-01-06 23:40:31,557 INFO L116 LiptonReduction]: Number of co-enabled transitions 1686 [2021-01-06 23:40:33,610 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-01-06 23:40:33,761 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-01-06 23:40:34,199 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:34,530 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:34,646 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:34,733 INFO L131 LiptonReduction]: Checked pairs total: 2522 [2021-01-06 23:40:34,734 INFO L133 LiptonReduction]: Total number of compositions: 88 [2021-01-06 23:40:34,734 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2021-01-06 23:40:34,771 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2021-01-06 23:40:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2021-01-06 23:40:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:40:34,772 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:34,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:40:34,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:34,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:34,773 INFO L82 PathProgramCache]: Analyzing trace with hash 576246, now seen corresponding path program 1 times [2021-01-06 23:40:34,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:34,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699899064] [2021-01-06 23:40:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:34,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699899064] [2021-01-06 23:40:34,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:34,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:40:34,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77595949] [2021-01-06 23:40:34,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:40:34,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:34,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:40:34,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:34,829 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2021-01-06 23:40:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:34,867 INFO L93 Difference]: Finished difference Result 744 states and 2211 transitions. [2021-01-06 23:40:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:40:34,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:40:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:34,880 INFO L225 Difference]: With dead ends: 744 [2021-01-06 23:40:34,880 INFO L226 Difference]: Without dead ends: 678 [2021-01-06 23:40:34,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-01-06 23:40:34,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 559. [2021-01-06 23:40:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2021-01-06 23:40:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2021-01-06 23:40:34,971 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2021-01-06 23:40:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:34,971 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2021-01-06 23:40:34,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:40:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2021-01-06 23:40:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:40:34,972 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:34,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:34,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 23:40:34,972 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:34,974 INFO L82 PathProgramCache]: Analyzing trace with hash 260447350, now seen corresponding path program 1 times [2021-01-06 23:40:34,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:34,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777027111] [2021-01-06 23:40:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:35,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777027111] [2021-01-06 23:40:35,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:35,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:35,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308609917] [2021-01-06 23:40:35,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:35,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:35,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:35,057 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2021-01-06 23:40:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:35,133 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2021-01-06 23:40:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:35,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-01-06 23:40:35,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:35,140 INFO L225 Difference]: With dead ends: 817 [2021-01-06 23:40:35,140 INFO L226 Difference]: Without dead ends: 812 [2021-01-06 23:40:35,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:35,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-01-06 23:40:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2021-01-06 23:40:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2021-01-06 23:40:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2021-01-06 23:40:35,172 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2021-01-06 23:40:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:35,173 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2021-01-06 23:40:35,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2021-01-06 23:40:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:40:35,174 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:35,174 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:35,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 23:40:35,174 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash 801743293, now seen corresponding path program 1 times [2021-01-06 23:40:35,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:35,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393606473] [2021-01-06 23:40:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:35,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393606473] [2021-01-06 23:40:35,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:35,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:35,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361421359] [2021-01-06 23:40:35,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:35,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:35,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:35,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:35,216 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2021-01-06 23:40:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:35,277 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2021-01-06 23:40:35,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:35,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:40:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:35,284 INFO L225 Difference]: With dead ends: 843 [2021-01-06 23:40:35,284 INFO L226 Difference]: Without dead ends: 836 [2021-01-06 23:40:35,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:35,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-01-06 23:40:35,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2021-01-06 23:40:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2021-01-06 23:40:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2021-01-06 23:40:35,318 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2021-01-06 23:40:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:35,318 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2021-01-06 23:40:35,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2021-01-06 23:40:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:35,319 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:35,320 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:35,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 23:40:35,320 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:35,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2009511410, now seen corresponding path program 1 times [2021-01-06 23:40:35,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:35,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137635080] [2021-01-06 23:40:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:35,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137635080] [2021-01-06 23:40:35,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728004456] [2021-01-06 23:40:35,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:35,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:40:35,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:40:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:35,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:40:35,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:40:35,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311254703] [2021-01-06 23:40:35,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:35,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:35,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:35,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:35,598 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 9 states. [2021-01-06 23:40:35,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:35,773 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2021-01-06 23:40:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:35,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2021-01-06 23:40:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:35,781 INFO L225 Difference]: With dead ends: 1059 [2021-01-06 23:40:35,781 INFO L226 Difference]: Without dead ends: 1052 [2021-01-06 23:40:35,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:40:35,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-01-06 23:40:35,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2021-01-06 23:40:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2021-01-06 23:40:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2021-01-06 23:40:35,820 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2021-01-06 23:40:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:35,821 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2021-01-06 23:40:35,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2021-01-06 23:40:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:35,824 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:35,824 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:36,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 23:40:36,039 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:36,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1676141774, now seen corresponding path program 2 times [2021-01-06 23:40:36,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:36,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485215122] [2021-01-06 23:40:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:36,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485215122] [2021-01-06 23:40:36,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:36,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:36,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641260198] [2021-01-06 23:40:36,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:36,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:36,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:36,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:36,150 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2021-01-06 23:40:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:36,317 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2021-01-06 23:40:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:36,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-01-06 23:40:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:36,325 INFO L225 Difference]: With dead ends: 1053 [2021-01-06 23:40:36,326 INFO L226 Difference]: Without dead ends: 1045 [2021-01-06 23:40:36,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2021-01-06 23:40:36,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2021-01-06 23:40:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 23:40:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2021-01-06 23:40:36,355 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2021-01-06 23:40:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:36,356 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2021-01-06 23:40:36,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2021-01-06 23:40:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 23:40:36,357 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:36,357 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:36,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 23:40:36,357 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:36,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:36,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2005143773, now seen corresponding path program 1 times [2021-01-06 23:40:36,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:36,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221481404] [2021-01-06 23:40:36,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:36,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221481404] [2021-01-06 23:40:36,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:36,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:36,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854285551] [2021-01-06 23:40:36,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:36,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:36,423 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2021-01-06 23:40:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:36,480 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2021-01-06 23:40:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:36,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2021-01-06 23:40:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:36,486 INFO L225 Difference]: With dead ends: 736 [2021-01-06 23:40:36,487 INFO L226 Difference]: Without dead ends: 728 [2021-01-06 23:40:36,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2021-01-06 23:40:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2021-01-06 23:40:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2021-01-06 23:40:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2021-01-06 23:40:36,513 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2021-01-06 23:40:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:36,513 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2021-01-06 23:40:36,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2021-01-06 23:40:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 23:40:36,514 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:36,514 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:36,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 23:40:36,515 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:36,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2034044022, now seen corresponding path program 1 times [2021-01-06 23:40:36,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:36,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383850076] [2021-01-06 23:40:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:36,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:36,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:36,579 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:40:36,580 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:40:36,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 23:40:36,580 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-06 23:40:36,581 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-01-06 23:40:36,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,625 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,626 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,634 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,634 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,636 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,636 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,637 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,637 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,645 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:36,646 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:40:36,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-06 23:40:36,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:40:36,648 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:40:36,648 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:40:36,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:40:36,648 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:40:36,648 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:40:36,648 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:40:36,648 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:40:36,651 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:40:36,651 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 113 transitions, 290 flow [2021-01-06 23:40:36,651 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 113 transitions, 290 flow [2021-01-06 23:40:36,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 113 transitions, 290 flow [2021-01-06 23:40:36,702 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2021-01-06 23:40:36,702 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-01-06 23:40:36,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 218 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 152. Up to 10 conditions per place. [2021-01-06 23:40:36,711 INFO L116 LiptonReduction]: Number of co-enabled transitions 2284 [2021-01-06 23:40:39,710 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:39,815 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:40,047 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:40,153 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:40,183 INFO L131 LiptonReduction]: Checked pairs total: 3055 [2021-01-06 23:40:40,183 INFO L133 LiptonReduction]: Total number of compositions: 106 [2021-01-06 23:40:40,184 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2021-01-06 23:40:40,319 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2021-01-06 23:40:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2021-01-06 23:40:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:40:40,319 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:40,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:40:40,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:40,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:40,320 INFO L82 PathProgramCache]: Analyzing trace with hash 813906, now seen corresponding path program 1 times [2021-01-06 23:40:40,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:40,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479468717] [2021-01-06 23:40:40,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:40,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479468717] [2021-01-06 23:40:40,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:40,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:40:40,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547645595] [2021-01-06 23:40:40,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:40:40,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:40,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:40:40,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:40,352 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2021-01-06 23:40:40,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:40,400 INFO L93 Difference]: Finished difference Result 2404 states and 8749 transitions. [2021-01-06 23:40:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:40:40,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:40:40,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:40,421 INFO L225 Difference]: With dead ends: 2404 [2021-01-06 23:40:40,422 INFO L226 Difference]: Without dead ends: 2192 [2021-01-06 23:40:40,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2021-01-06 23:40:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 1767. [2021-01-06 23:40:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2021-01-06 23:40:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2021-01-06 23:40:40,523 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2021-01-06 23:40:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:40,523 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2021-01-06 23:40:40,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:40:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2021-01-06 23:40:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:40:40,524 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:40,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:40,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 23:40:40,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash -673175145, now seen corresponding path program 1 times [2021-01-06 23:40:40,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:40,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207917805] [2021-01-06 23:40:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:40,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207917805] [2021-01-06 23:40:40,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:40,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:40,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963355925] [2021-01-06 23:40:40,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:40,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:40,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:40,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:40,568 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2021-01-06 23:40:40,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:40,662 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2021-01-06 23:40:40,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:40,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-01-06 23:40:40,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:40,691 INFO L225 Difference]: With dead ends: 2905 [2021-01-06 23:40:40,691 INFO L226 Difference]: Without dead ends: 2899 [2021-01-06 23:40:40,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:40,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2021-01-06 23:40:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2021-01-06 23:40:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2021-01-06 23:40:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2021-01-06 23:40:40,820 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2021-01-06 23:40:40,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:40,820 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2021-01-06 23:40:40,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2021-01-06 23:40:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:40:40,821 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:40,821 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:40,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 23:40:40,822 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:40,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:40,822 INFO L82 PathProgramCache]: Analyzing trace with hash 174066754, now seen corresponding path program 1 times [2021-01-06 23:40:40,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:40,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938651330] [2021-01-06 23:40:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:40,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938651330] [2021-01-06 23:40:40,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:40,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:40,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529641426] [2021-01-06 23:40:40,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:40,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:40,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:40,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:40,906 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2021-01-06 23:40:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:40,994 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2021-01-06 23:40:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:40,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:40:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:41,037 INFO L225 Difference]: With dead ends: 3204 [2021-01-06 23:40:41,037 INFO L226 Difference]: Without dead ends: 3194 [2021-01-06 23:40:41,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2021-01-06 23:40:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2021-01-06 23:40:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2021-01-06 23:40:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2021-01-06 23:40:41,167 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2021-01-06 23:40:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:41,169 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2021-01-06 23:40:41,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2021-01-06 23:40:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:41,170 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:41,171 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:41,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 23:40:41,171 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:41,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:41,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1012094321, now seen corresponding path program 1 times [2021-01-06 23:40:41,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:41,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122716299] [2021-01-06 23:40:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:41,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122716299] [2021-01-06 23:40:41,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404585450] [2021-01-06 23:40:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:41,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:40:41,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:40:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:41,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:40:41,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:40:41,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579285929] [2021-01-06 23:40:41,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:41,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:41,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:41,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:41,373 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 9 states. [2021-01-06 23:40:41,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:41,575 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2021-01-06 23:40:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:41,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2021-01-06 23:40:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:41,601 INFO L225 Difference]: With dead ends: 4556 [2021-01-06 23:40:41,601 INFO L226 Difference]: Without dead ends: 4546 [2021-01-06 23:40:41,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:40:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2021-01-06 23:40:41,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2021-01-06 23:40:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2021-01-06 23:40:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2021-01-06 23:40:41,756 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2021-01-06 23:40:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:41,756 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2021-01-06 23:40:41,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2021-01-06 23:40:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:41,757 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:41,757 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:41,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-06 23:40:41,971 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:41,972 INFO L82 PathProgramCache]: Analyzing trace with hash -225580459, now seen corresponding path program 2 times [2021-01-06 23:40:41,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:41,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805133348] [2021-01-06 23:40:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:42,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805133348] [2021-01-06 23:40:42,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:42,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:42,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424265698] [2021-01-06 23:40:42,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:42,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:42,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:42,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:42,019 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2021-01-06 23:40:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:42,255 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2021-01-06 23:40:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:42,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-01-06 23:40:42,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:42,281 INFO L225 Difference]: With dead ends: 4612 [2021-01-06 23:40:42,281 INFO L226 Difference]: Without dead ends: 4601 [2021-01-06 23:40:42,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:42,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2021-01-06 23:40:42,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2021-01-06 23:40:42,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2021-01-06 23:40:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2021-01-06 23:40:42,424 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2021-01-06 23:40:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:42,424 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2021-01-06 23:40:42,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2021-01-06 23:40:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 23:40:42,425 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:42,425 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:42,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 23:40:42,426 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:42,426 INFO L82 PathProgramCache]: Analyzing trace with hash 2145585318, now seen corresponding path program 1 times [2021-01-06 23:40:42,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:42,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246925695] [2021-01-06 23:40:42,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:42,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246925695] [2021-01-06 23:40:42,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:42,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:42,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918804550] [2021-01-06 23:40:42,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:42,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:42,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:42,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:42,463 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2021-01-06 23:40:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:42,547 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2021-01-06 23:40:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:42,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2021-01-06 23:40:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:42,566 INFO L225 Difference]: With dead ends: 3265 [2021-01-06 23:40:42,566 INFO L226 Difference]: Without dead ends: 3250 [2021-01-06 23:40:42,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:42,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2021-01-06 23:40:42,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2021-01-06 23:40:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2021-01-06 23:40:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2021-01-06 23:40:42,694 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2021-01-06 23:40:42,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:42,694 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2021-01-06 23:40:42,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2021-01-06 23:40:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:40:42,696 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:42,696 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:42,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 23:40:42,696 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1777186931, now seen corresponding path program 1 times [2021-01-06 23:40:42,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:42,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283943361] [2021-01-06 23:40:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:42,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283943361] [2021-01-06 23:40:42,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142901751] [2021-01-06 23:40:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:42,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:40:42,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:40:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:42,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:40:42,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:40:42,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520476] [2021-01-06 23:40:42,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:42,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:42,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:42,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:42,879 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 9 states. [2021-01-06 23:40:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:43,110 INFO L93 Difference]: Finished difference Result 4825 states and 15986 transitions. [2021-01-06 23:40:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:43,111 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2021-01-06 23:40:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:43,135 INFO L225 Difference]: With dead ends: 4825 [2021-01-06 23:40:43,135 INFO L226 Difference]: Without dead ends: 4813 [2021-01-06 23:40:43,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:40:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2021-01-06 23:40:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 2305. [2021-01-06 23:40:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2021-01-06 23:40:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2021-01-06 23:40:43,344 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2021-01-06 23:40:43,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:43,345 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2021-01-06 23:40:43,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2021-01-06 23:40:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:40:43,347 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:43,347 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:43,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:43,561 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:43,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:43,562 INFO L82 PathProgramCache]: Analyzing trace with hash 322011480, now seen corresponding path program 1 times [2021-01-06 23:40:43,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:43,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652166496] [2021-01-06 23:40:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:43,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652166496] [2021-01-06 23:40:43,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:43,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:43,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535068470] [2021-01-06 23:40:43,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:43,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:43,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:43,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:43,615 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 7 states. [2021-01-06 23:40:43,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:43,835 INFO L93 Difference]: Finished difference Result 4942 states and 16410 transitions. [2021-01-06 23:40:43,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:43,836 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:40:43,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:43,856 INFO L225 Difference]: With dead ends: 4942 [2021-01-06 23:40:43,856 INFO L226 Difference]: Without dead ends: 4925 [2021-01-06 23:40:43,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2021-01-06 23:40:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 2299. [2021-01-06 23:40:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2021-01-06 23:40:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 8782 transitions. [2021-01-06 23:40:43,995 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 8782 transitions. Word has length 19 [2021-01-06 23:40:43,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:43,995 INFO L481 AbstractCegarLoop]: Abstraction has 2299 states and 8782 transitions. [2021-01-06 23:40:43,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 8782 transitions. [2021-01-06 23:40:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:40:43,997 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:43,997 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:43,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 23:40:43,997 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:43,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:43,998 INFO L82 PathProgramCache]: Analyzing trace with hash 323182009, now seen corresponding path program 2 times [2021-01-06 23:40:43,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:43,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229405618] [2021-01-06 23:40:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:44,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229405618] [2021-01-06 23:40:44,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:44,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:44,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148490202] [2021-01-06 23:40:44,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:44,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:44,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:44,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:44,044 INFO L87 Difference]: Start difference. First operand 2299 states and 8782 transitions. Second operand 7 states. [2021-01-06 23:40:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:44,234 INFO L93 Difference]: Finished difference Result 4934 states and 16393 transitions. [2021-01-06 23:40:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:44,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:40:44,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:44,255 INFO L225 Difference]: With dead ends: 4934 [2021-01-06 23:40:44,256 INFO L226 Difference]: Without dead ends: 4917 [2021-01-06 23:40:44,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:44,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2021-01-06 23:40:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 2216. [2021-01-06 23:40:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2021-01-06 23:40:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 8477 transitions. [2021-01-06 23:40:44,383 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 8477 transitions. Word has length 19 [2021-01-06 23:40:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:44,383 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 8477 transitions. [2021-01-06 23:40:44,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 8477 transitions. [2021-01-06 23:40:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:40:44,385 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:44,385 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:44,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 23:40:44,385 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:44,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:44,386 INFO L82 PathProgramCache]: Analyzing trace with hash 323172120, now seen corresponding path program 2 times [2021-01-06 23:40:44,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:44,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091642811] [2021-01-06 23:40:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:44,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091642811] [2021-01-06 23:40:44,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:44,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:44,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380627841] [2021-01-06 23:40:44,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:44,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:44,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:44,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:44,431 INFO L87 Difference]: Start difference. First operand 2216 states and 8477 transitions. Second operand 7 states. [2021-01-06 23:40:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:44,640 INFO L93 Difference]: Finished difference Result 4774 states and 15828 transitions. [2021-01-06 23:40:44,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:44,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:40:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:44,659 INFO L225 Difference]: With dead ends: 4774 [2021-01-06 23:40:44,659 INFO L226 Difference]: Without dead ends: 4757 [2021-01-06 23:40:44,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2021-01-06 23:40:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 2150. [2021-01-06 23:40:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2021-01-06 23:40:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8243 transitions. [2021-01-06 23:40:44,772 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8243 transitions. Word has length 19 [2021-01-06 23:40:44,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:44,773 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 8243 transitions. [2021-01-06 23:40:44,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8243 transitions. [2021-01-06 23:40:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:44,775 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:44,775 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:44,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 23:40:44,775 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:44,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1521520155, now seen corresponding path program 1 times [2021-01-06 23:40:44,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:44,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970611963] [2021-01-06 23:40:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:44,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970611963] [2021-01-06 23:40:44,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312269868] [2021-01-06 23:40:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:44,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 23:40:44,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:40:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:44,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:40:44,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:40:44,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062670648] [2021-01-06 23:40:44,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:40:44,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:44,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:40:44,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:40:44,974 INFO L87 Difference]: Start difference. First operand 2150 states and 8243 transitions. Second operand 11 states. [2021-01-06 23:40:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:45,434 INFO L93 Difference]: Finished difference Result 6025 states and 18746 transitions. [2021-01-06 23:40:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:45,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:40:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:45,457 INFO L225 Difference]: With dead ends: 6025 [2021-01-06 23:40:45,458 INFO L226 Difference]: Without dead ends: 6017 [2021-01-06 23:40:45,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:40:45,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2021-01-06 23:40:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 2117. [2021-01-06 23:40:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2021-01-06 23:40:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 8106 transitions. [2021-01-06 23:40:45,591 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 8106 transitions. Word has length 21 [2021-01-06 23:40:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:45,592 INFO L481 AbstractCegarLoop]: Abstraction has 2117 states and 8106 transitions. [2021-01-06 23:40:45,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:40:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 8106 transitions. [2021-01-06 23:40:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:45,594 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:45,595 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:45,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:45,808 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1520359515, now seen corresponding path program 2 times [2021-01-06 23:40:45,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:45,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958794676] [2021-01-06 23:40:45,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:45,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958794676] [2021-01-06 23:40:45,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385567992] [2021-01-06 23:40:45,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:40:46,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 23:40:46,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:40:46,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:40:46,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:40:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:40:46,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:40:46,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:40:46,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640283380] [2021-01-06 23:40:46,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:40:46,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:46,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:40:46,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:40:46,084 INFO L87 Difference]: Start difference. First operand 2117 states and 8106 transitions. Second operand 11 states. [2021-01-06 23:40:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:46,612 INFO L93 Difference]: Finished difference Result 5914 states and 18384 transitions. [2021-01-06 23:40:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:46,612 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:40:46,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:46,636 INFO L225 Difference]: With dead ends: 5914 [2021-01-06 23:40:46,636 INFO L226 Difference]: Without dead ends: 5903 [2021-01-06 23:40:46,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:40:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2021-01-06 23:40:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 2085. [2021-01-06 23:40:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2021-01-06 23:40:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2021-01-06 23:40:46,764 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2021-01-06 23:40:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:46,765 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2021-01-06 23:40:46,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:40:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2021-01-06 23:40:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:46,768 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:46,768 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:46,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-01-06 23:40:46,982 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:46,983 INFO L82 PathProgramCache]: Analyzing trace with hash 108855779, now seen corresponding path program 1 times [2021-01-06 23:40:46,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:46,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436598754] [2021-01-06 23:40:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:40:47,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436598754] [2021-01-06 23:40:47,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:47,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:47,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379177806] [2021-01-06 23:40:47,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:47,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:47,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:47,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:47,026 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 5 states. [2021-01-06 23:40:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:47,103 INFO L93 Difference]: Finished difference Result 3167 states and 11408 transitions. [2021-01-06 23:40:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:47,104 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2021-01-06 23:40:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:47,118 INFO L225 Difference]: With dead ends: 3167 [2021-01-06 23:40:47,119 INFO L226 Difference]: Without dead ends: 3151 [2021-01-06 23:40:47,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:47,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2021-01-06 23:40:47,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2322. [2021-01-06 23:40:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2021-01-06 23:40:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 8744 transitions. [2021-01-06 23:40:47,208 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 8744 transitions. Word has length 21 [2021-01-06 23:40:47,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:47,209 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 8744 transitions. [2021-01-06 23:40:47,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 8744 transitions. [2021-01-06 23:40:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:47,211 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:47,211 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:47,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 23:40:47,211 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:47,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:47,212 INFO L82 PathProgramCache]: Analyzing trace with hash 223713259, now seen corresponding path program 3 times [2021-01-06 23:40:47,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:47,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750352996] [2021-01-06 23:40:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:47,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750352996] [2021-01-06 23:40:47,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:47,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:40:47,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710806067] [2021-01-06 23:40:47,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:47,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:47,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:47,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:47,287 INFO L87 Difference]: Start difference. First operand 2322 states and 8744 transitions. Second operand 9 states. [2021-01-06 23:40:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:47,808 INFO L93 Difference]: Finished difference Result 6243 states and 19533 transitions. [2021-01-06 23:40:47,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:47,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:40:47,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:47,827 INFO L225 Difference]: With dead ends: 6243 [2021-01-06 23:40:47,828 INFO L226 Difference]: Without dead ends: 6232 [2021-01-06 23:40:47,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:40:47,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-01-06 23:40:47,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 2227. [2021-01-06 23:40:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2021-01-06 23:40:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 8390 transitions. [2021-01-06 23:40:47,957 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 8390 transitions. Word has length 21 [2021-01-06 23:40:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:47,958 INFO L481 AbstractCegarLoop]: Abstraction has 2227 states and 8390 transitions. [2021-01-06 23:40:47,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 8390 transitions. [2021-01-06 23:40:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:47,959 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:47,960 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:47,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 23:40:47,960 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:47,960 INFO L82 PathProgramCache]: Analyzing trace with hash 215380459, now seen corresponding path program 4 times [2021-01-06 23:40:47,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:47,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997610046] [2021-01-06 23:40:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:48,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997610046] [2021-01-06 23:40:48,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:48,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:40:48,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217557820] [2021-01-06 23:40:48,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:48,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:48,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:48,020 INFO L87 Difference]: Start difference. First operand 2227 states and 8390 transitions. Second operand 9 states. [2021-01-06 23:40:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:48,545 INFO L93 Difference]: Finished difference Result 6161 states and 19272 transitions. [2021-01-06 23:40:48,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:48,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:40:48,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:48,563 INFO L225 Difference]: With dead ends: 6161 [2021-01-06 23:40:48,564 INFO L226 Difference]: Without dead ends: 6147 [2021-01-06 23:40:48,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:40:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2021-01-06 23:40:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 2183. [2021-01-06 23:40:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2021-01-06 23:40:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 8210 transitions. [2021-01-06 23:40:48,740 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 8210 transitions. Word has length 21 [2021-01-06 23:40:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:48,741 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 8210 transitions. [2021-01-06 23:40:48,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 8210 transitions. [2021-01-06 23:40:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:48,746 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:48,747 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:48,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 23:40:48,747 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:48,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:48,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1340248939, now seen corresponding path program 5 times [2021-01-06 23:40:48,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:48,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952975334] [2021-01-06 23:40:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:48,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952975334] [2021-01-06 23:40:48,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:48,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:40:48,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503635708] [2021-01-06 23:40:48,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:48,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:48,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:48,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:48,823 INFO L87 Difference]: Start difference. First operand 2183 states and 8210 transitions. Second operand 9 states. [2021-01-06 23:40:49,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:49,304 INFO L93 Difference]: Finished difference Result 6150 states and 19247 transitions. [2021-01-06 23:40:49,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:49,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:40:49,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:49,320 INFO L225 Difference]: With dead ends: 6150 [2021-01-06 23:40:49,320 INFO L226 Difference]: Without dead ends: 6139 [2021-01-06 23:40:49,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:40:49,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2021-01-06 23:40:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 2096. [2021-01-06 23:40:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2021-01-06 23:40:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2021-01-06 23:40:49,437 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2021-01-06 23:40:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:49,438 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2021-01-06 23:40:49,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2021-01-06 23:40:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:40:49,439 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:49,440 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:49,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 23:40:49,440 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:49,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:49,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1330755499, now seen corresponding path program 6 times [2021-01-06 23:40:49,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:49,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535617959] [2021-01-06 23:40:49,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:49,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535617959] [2021-01-06 23:40:49,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:49,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:40:49,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956878063] [2021-01-06 23:40:49,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:40:49,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:49,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:40:49,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:40:49,507 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2021-01-06 23:40:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:49,955 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2021-01-06 23:40:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:40:49,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:40:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:49,966 INFO L225 Difference]: With dead ends: 6017 [2021-01-06 23:40:49,966 INFO L226 Difference]: Without dead ends: 6002 [2021-01-06 23:40:49,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:40:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2021-01-06 23:40:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2021-01-06 23:40:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2021-01-06 23:40:50,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2021-01-06 23:40:50,117 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2021-01-06 23:40:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:50,118 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2021-01-06 23:40:50,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:40:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2021-01-06 23:40:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 23:40:50,120 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:50,120 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:50,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 23:40:50,121 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-06 23:40:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:50,122 INFO L82 PathProgramCache]: Analyzing trace with hash -925668779, now seen corresponding path program 1 times [2021-01-06 23:40:50,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:50,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115914496] [2021-01-06 23:40:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:50,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:40:50,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:40:50,164 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:40:50,165 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:40:50,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-01-06 23:40:50,166 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-06 23:40:50,166 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-01-06 23:40:50,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,213 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,214 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,214 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:40:50,229 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:40:50,229 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-01-06 23:40:50,230 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:40:50,230 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:40:50,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:40:50,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:40:50,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:40:50,230 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:40:50,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:40:50,230 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:40:50,232 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:40:50,232 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 132 transitions, 354 flow [2021-01-06 23:40:50,232 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 132 transitions, 354 flow [2021-01-06 23:40:50,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 132 transitions, 354 flow [2021-01-06 23:40:50,263 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2021-01-06 23:40:50,264 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-01-06 23:40:50,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 181. Up to 12 conditions per place. [2021-01-06 23:40:50,270 INFO L116 LiptonReduction]: Number of co-enabled transitions 2966 [2021-01-06 23:40:52,641 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-01-06 23:40:52,795 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-01-06 23:40:53,611 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:53,962 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-01-06 23:40:54,078 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:40:54,100 INFO L131 LiptonReduction]: Checked pairs total: 4004 [2021-01-06 23:40:54,100 INFO L133 LiptonReduction]: Total number of compositions: 125 [2021-01-06 23:40:54,101 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2021-01-06 23:40:54,562 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2021-01-06 23:40:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2021-01-06 23:40:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:40:54,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:54,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:40:54,563 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:54,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:54,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1085411, now seen corresponding path program 1 times [2021-01-06 23:40:54,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:54,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013580954] [2021-01-06 23:40:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:54,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013580954] [2021-01-06 23:40:54,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:54,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:40:54,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330197562] [2021-01-06 23:40:54,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:40:54,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:54,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:40:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:54,586 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2021-01-06 23:40:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:54,670 INFO L93 Difference]: Finished difference Result 7560 states and 32651 transitions. [2021-01-06 23:40:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:40:54,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:40:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:54,697 INFO L225 Difference]: With dead ends: 7560 [2021-01-06 23:40:54,697 INFO L226 Difference]: Without dead ends: 6894 [2021-01-06 23:40:54,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:40:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2021-01-06 23:40:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5479. [2021-01-06 23:40:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2021-01-06 23:40:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2021-01-06 23:40:54,989 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2021-01-06 23:40:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:54,989 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2021-01-06 23:40:54,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:40:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2021-01-06 23:40:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:40:54,990 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:54,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:54,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-01-06 23:40:54,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:54,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1034074382, now seen corresponding path program 1 times [2021-01-06 23:40:54,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:54,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350958643] [2021-01-06 23:40:54,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:40:55,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350958643] [2021-01-06 23:40:55,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:55,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:55,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949014052] [2021-01-06 23:40:55,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:55,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:55,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:55,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:55,021 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2021-01-06 23:40:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:55,247 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2021-01-06 23:40:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:55,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-01-06 23:40:55,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:55,285 INFO L225 Difference]: With dead ends: 9673 [2021-01-06 23:40:55,285 INFO L226 Difference]: Without dead ends: 9666 [2021-01-06 23:40:55,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:55,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2021-01-06 23:40:55,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2021-01-06 23:40:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2021-01-06 23:40:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2021-01-06 23:40:55,947 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2021-01-06 23:40:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:55,948 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2021-01-06 23:40:55,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2021-01-06 23:40:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:40:55,948 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:55,948 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:55,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-01-06 23:40:55,949 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:55,949 INFO L82 PathProgramCache]: Analyzing trace with hash -906715692, now seen corresponding path program 1 times [2021-01-06 23:40:55,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:55,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8330589] [2021-01-06 23:40:55,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:55,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8330589] [2021-01-06 23:40:55,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:55,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:55,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713733878] [2021-01-06 23:40:55,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:55,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:55,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:55,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:55,978 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2021-01-06 23:40:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:56,134 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2021-01-06 23:40:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:56,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:40:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:56,188 INFO L225 Difference]: With dead ends: 11081 [2021-01-06 23:40:56,189 INFO L226 Difference]: Without dead ends: 11068 [2021-01-06 23:40:56,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:56,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2021-01-06 23:40:56,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2021-01-06 23:40:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2021-01-06 23:40:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2021-01-06 23:40:56,946 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2021-01-06 23:40:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:56,946 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2021-01-06 23:40:56,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:40:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2021-01-06 23:40:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:56,953 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:56,953 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:56,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-01-06 23:40:56,953 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash 524589857, now seen corresponding path program 1 times [2021-01-06 23:40:56,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:56,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31393681] [2021-01-06 23:40:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:57,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31393681] [2021-01-06 23:40:57,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:57,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:57,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383072533] [2021-01-06 23:40:57,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:57,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:57,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:57,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:57,008 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 7 states. [2021-01-06 23:40:57,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:57,364 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2021-01-06 23:40:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:57,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-01-06 23:40:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:57,418 INFO L225 Difference]: With dead ends: 16749 [2021-01-06 23:40:57,419 INFO L226 Difference]: Without dead ends: 16736 [2021-01-06 23:40:57,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2021-01-06 23:40:57,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2021-01-06 23:40:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2021-01-06 23:40:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2021-01-06 23:40:57,968 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2021-01-06 23:40:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:57,968 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2021-01-06 23:40:57,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2021-01-06 23:40:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:40:57,969 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:57,969 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:57,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-01-06 23:40:57,970 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash 505394657, now seen corresponding path program 2 times [2021-01-06 23:40:57,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:57,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012649683] [2021-01-06 23:40:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:40:58,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012649683] [2021-01-06 23:40:58,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:58,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:40:58,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992875169] [2021-01-06 23:40:58,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:40:58,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:58,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:40:58,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:58,123 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2021-01-06 23:40:58,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:58,502 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2021-01-06 23:40:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:40:58,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-01-06 23:40:58,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:58,563 INFO L225 Difference]: With dead ends: 17085 [2021-01-06 23:40:58,563 INFO L226 Difference]: Without dead ends: 17071 [2021-01-06 23:40:58,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:40:58,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2021-01-06 23:40:58,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2021-01-06 23:40:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2021-01-06 23:40:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2021-01-06 23:40:59,014 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2021-01-06 23:40:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:40:59,014 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2021-01-06 23:40:59,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:40:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2021-01-06 23:40:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 23:40:59,015 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:40:59,015 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:40:59,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-01-06 23:40:59,016 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:40:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:40:59,016 INFO L82 PathProgramCache]: Analyzing trace with hash 284508656, now seen corresponding path program 1 times [2021-01-06 23:40:59,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:40:59,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266887933] [2021-01-06 23:40:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:40:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:40:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:40:59,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266887933] [2021-01-06 23:40:59,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:40:59,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:40:59,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458172322] [2021-01-06 23:40:59,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:40:59,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:40:59,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:40:59,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:40:59,051 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2021-01-06 23:40:59,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:40:59,229 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2021-01-06 23:40:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:40:59,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2021-01-06 23:40:59,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:40:59,523 INFO L225 Difference]: With dead ends: 12234 [2021-01-06 23:40:59,524 INFO L226 Difference]: Without dead ends: 12212 [2021-01-06 23:40:59,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:40:59,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2021-01-06 23:40:59,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2021-01-06 23:40:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2021-01-06 23:41:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2021-01-06 23:41:00,027 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2021-01-06 23:41:00,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:00,027 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2021-01-06 23:41:00,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:41:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2021-01-06 23:41:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:41:00,028 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:00,028 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:00,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-01-06 23:41:00,029 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:00,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1810856700, now seen corresponding path program 1 times [2021-01-06 23:41:00,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:00,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872414199] [2021-01-06 23:41:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:00,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872414199] [2021-01-06 23:41:00,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400824520] [2021-01-06 23:41:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:00,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:41:00,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:00,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:00,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:41:00,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501760036] [2021-01-06 23:41:00,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:00,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:00,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:00,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:00,189 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 9 states. [2021-01-06 23:41:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:00,549 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2021-01-06 23:41:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:00,550 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2021-01-06 23:41:00,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:00,602 INFO L225 Difference]: With dead ends: 19016 [2021-01-06 23:41:00,602 INFO L226 Difference]: Without dead ends: 18998 [2021-01-06 23:41:00,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:41:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2021-01-06 23:41:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2021-01-06 23:41:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2021-01-06 23:41:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2021-01-06 23:41:01,144 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2021-01-06 23:41:01,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:01,145 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2021-01-06 23:41:01,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2021-01-06 23:41:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:41:01,146 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:01,146 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:01,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-01-06 23:41:01,355 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:01,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:01,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1465059752, now seen corresponding path program 2 times [2021-01-06 23:41:01,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:01,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204980464] [2021-01-06 23:41:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:01,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204980464] [2021-01-06 23:41:01,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:01,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:01,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388254244] [2021-01-06 23:41:01,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:01,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:01,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:01,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:01,403 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 7 states. [2021-01-06 23:41:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:01,855 INFO L93 Difference]: Finished difference Result 19420 states and 77854 transitions. [2021-01-06 23:41:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:01,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:41:01,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:01,913 INFO L225 Difference]: With dead ends: 19420 [2021-01-06 23:41:01,913 INFO L226 Difference]: Without dead ends: 19395 [2021-01-06 23:41:01,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2021-01-06 23:41:02,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 8129. [2021-01-06 23:41:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8129 states. [2021-01-06 23:41:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8129 states to 8129 states and 37298 transitions. [2021-01-06 23:41:02,440 INFO L78 Accepts]: Start accepts. Automaton has 8129 states and 37298 transitions. Word has length 19 [2021-01-06 23:41:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:02,440 INFO L481 AbstractCegarLoop]: Abstraction has 8129 states and 37298 transitions. [2021-01-06 23:41:02,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 8129 states and 37298 transitions. [2021-01-06 23:41:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:41:02,442 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:02,442 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:02,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-01-06 23:41:02,442 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:02,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:02,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1465079747, now seen corresponding path program 1 times [2021-01-06 23:41:02,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:02,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970711398] [2021-01-06 23:41:02,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:02,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970711398] [2021-01-06 23:41:02,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:02,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:02,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123997542] [2021-01-06 23:41:02,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:02,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:02,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:02,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:02,482 INFO L87 Difference]: Start difference. First operand 8129 states and 37298 transitions. Second operand 7 states. [2021-01-06 23:41:02,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:02,811 INFO L93 Difference]: Finished difference Result 19373 states and 77785 transitions. [2021-01-06 23:41:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:02,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:41:02,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:02,895 INFO L225 Difference]: With dead ends: 19373 [2021-01-06 23:41:02,896 INFO L226 Difference]: Without dead ends: 19348 [2021-01-06 23:41:02,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2021-01-06 23:41:03,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 8375. [2021-01-06 23:41:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8375 states. [2021-01-06 23:41:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 38394 transitions. [2021-01-06 23:41:03,606 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 38394 transitions. Word has length 19 [2021-01-06 23:41:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:03,606 INFO L481 AbstractCegarLoop]: Abstraction has 8375 states and 38394 transitions. [2021-01-06 23:41:03,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 38394 transitions. [2021-01-06 23:41:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:41:03,607 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:03,608 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:03,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-01-06 23:41:03,608 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:03,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:03,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1478025347, now seen corresponding path program 2 times [2021-01-06 23:41:03,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:03,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232743712] [2021-01-06 23:41:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:03,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232743712] [2021-01-06 23:41:03,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:03,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:03,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988322275] [2021-01-06 23:41:03,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:03,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:03,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:03,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:03,659 INFO L87 Difference]: Start difference. First operand 8375 states and 38394 transitions. Second operand 7 states. [2021-01-06 23:41:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:04,121 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2021-01-06 23:41:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:04,121 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:41:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:04,180 INFO L225 Difference]: With dead ends: 19555 [2021-01-06 23:41:04,180 INFO L226 Difference]: Without dead ends: 19530 [2021-01-06 23:41:04,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2021-01-06 23:41:04,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2021-01-06 23:41:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2021-01-06 23:41:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2021-01-06 23:41:04,816 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2021-01-06 23:41:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:04,816 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2021-01-06 23:41:04,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2021-01-06 23:41:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:04,823 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:04,823 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:04,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-01-06 23:41:04,823 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:04,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:04,824 INFO L82 PathProgramCache]: Analyzing trace with hash -771525039, now seen corresponding path program 1 times [2021-01-06 23:41:04,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:04,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693477024] [2021-01-06 23:41:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:04,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693477024] [2021-01-06 23:41:04,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146895757] [2021-01-06 23:41:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:04,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 23:41:04,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:05,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:05,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:05,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718998514] [2021-01-06 23:41:05,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:05,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:05,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:05,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:05,014 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 11 states. [2021-01-06 23:41:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:05,707 INFO L93 Difference]: Finished difference Result 26969 states and 101544 transitions. [2021-01-06 23:41:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:05,707 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:41:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:05,979 INFO L225 Difference]: With dead ends: 26969 [2021-01-06 23:41:05,979 INFO L226 Difference]: Without dead ends: 26957 [2021-01-06 23:41:05,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:06,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states. [2021-01-06 23:41:06,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 8208. [2021-01-06 23:41:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2021-01-06 23:41:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 37640 transitions. [2021-01-06 23:41:06,588 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 37640 transitions. Word has length 21 [2021-01-06 23:41:06,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:06,589 INFO L481 AbstractCegarLoop]: Abstraction has 8208 states and 37640 transitions. [2021-01-06 23:41:06,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 37640 transitions. [2021-01-06 23:41:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:06,594 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:06,594 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:06,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:06,802 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:06,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:06,803 INFO L82 PathProgramCache]: Analyzing trace with hash -784470639, now seen corresponding path program 2 times [2021-01-06 23:41:06,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:06,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121537230] [2021-01-06 23:41:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:06,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121537230] [2021-01-06 23:41:06,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483295554] [2021-01-06 23:41:06,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:06,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 23:41:06,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:41:06,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-01-06 23:41:06,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:41:06,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:06,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:06,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703358357] [2021-01-06 23:41:07,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:07,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:07,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:07,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:07,002 INFO L87 Difference]: Start difference. First operand 8208 states and 37640 transitions. Second operand 11 states. [2021-01-06 23:41:07,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:07,728 INFO L93 Difference]: Finished difference Result 26669 states and 100297 transitions. [2021-01-06 23:41:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:07,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:41:07,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:07,989 INFO L225 Difference]: With dead ends: 26669 [2021-01-06 23:41:07,990 INFO L226 Difference]: Without dead ends: 26653 [2021-01-06 23:41:07,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2021-01-06 23:41:08,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 8091. [2021-01-06 23:41:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8091 states. [2021-01-06 23:41:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 37076 transitions. [2021-01-06 23:41:08,495 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 37076 transitions. Word has length 21 [2021-01-06 23:41:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:08,495 INFO L481 AbstractCegarLoop]: Abstraction has 8091 states and 37076 transitions. [2021-01-06 23:41:08,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 37076 transitions. [2021-01-06 23:41:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:08,497 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:08,497 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:08,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-01-06 23:41:08,698 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:08,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:08,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1189643317, now seen corresponding path program 1 times [2021-01-06 23:41:08,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:08,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836078151] [2021-01-06 23:41:08,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:08,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836078151] [2021-01-06 23:41:08,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:08,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:41:08,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551929] [2021-01-06 23:41:08,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:41:08,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:08,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:41:08,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:41:08,733 INFO L87 Difference]: Start difference. First operand 8091 states and 37076 transitions. Second operand 5 states. [2021-01-06 23:41:09,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:09,003 INFO L93 Difference]: Finished difference Result 13786 states and 59914 transitions. [2021-01-06 23:41:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:41:09,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2021-01-06 23:41:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:09,043 INFO L225 Difference]: With dead ends: 13786 [2021-01-06 23:41:09,043 INFO L226 Difference]: Without dead ends: 13755 [2021-01-06 23:41:09,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13755 states. [2021-01-06 23:41:09,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13755 to 9719. [2021-01-06 23:41:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9719 states. [2021-01-06 23:41:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 44527 transitions. [2021-01-06 23:41:09,368 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 44527 transitions. Word has length 21 [2021-01-06 23:41:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:09,368 INFO L481 AbstractCegarLoop]: Abstraction has 9719 states and 44527 transitions. [2021-01-06 23:41:09,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:41:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 44527 transitions. [2021-01-06 23:41:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:09,370 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:09,370 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:09,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-01-06 23:41:09,370 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:09,371 INFO L82 PathProgramCache]: Analyzing trace with hash 826860197, now seen corresponding path program 3 times [2021-01-06 23:41:09,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:09,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732876363] [2021-01-06 23:41:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:09,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732876363] [2021-01-06 23:41:09,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:09,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:09,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141881547] [2021-01-06 23:41:09,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:09,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:09,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:09,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:09,430 INFO L87 Difference]: Start difference. First operand 9719 states and 44527 transitions. Second operand 9 states. [2021-01-06 23:41:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:10,179 INFO L93 Difference]: Finished difference Result 29965 states and 114553 transitions. [2021-01-06 23:41:10,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:10,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:41:10,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:10,270 INFO L225 Difference]: With dead ends: 29965 [2021-01-06 23:41:10,270 INFO L226 Difference]: Without dead ends: 29947 [2021-01-06 23:41:10,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:10,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29947 states. [2021-01-06 23:41:10,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29947 to 9428. [2021-01-06 23:41:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9428 states. [2021-01-06 23:41:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9428 states to 9428 states and 43190 transitions. [2021-01-06 23:41:10,957 INFO L78 Accepts]: Start accepts. Automaton has 9428 states and 43190 transitions. Word has length 21 [2021-01-06 23:41:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:10,957 INFO L481 AbstractCegarLoop]: Abstraction has 9428 states and 43190 transitions. [2021-01-06 23:41:10,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9428 states and 43190 transitions. [2021-01-06 23:41:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:10,959 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:10,959 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:10,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-01-06 23:41:10,959 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:10,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:10,959 INFO L82 PathProgramCache]: Analyzing trace with hash 807664997, now seen corresponding path program 4 times [2021-01-06 23:41:10,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:10,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196056033] [2021-01-06 23:41:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:11,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196056033] [2021-01-06 23:41:11,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:11,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:11,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577880544] [2021-01-06 23:41:11,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:11,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:11,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:11,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:11,013 INFO L87 Difference]: Start difference. First operand 9428 states and 43190 transitions. Second operand 9 states. [2021-01-06 23:41:11,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:11,926 INFO L93 Difference]: Finished difference Result 29747 states and 113663 transitions. [2021-01-06 23:41:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:11,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:41:11,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:12,036 INFO L225 Difference]: With dead ends: 29747 [2021-01-06 23:41:12,037 INFO L226 Difference]: Without dead ends: 29725 [2021-01-06 23:41:12,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:12,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29725 states. [2021-01-06 23:41:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29725 to 9263. [2021-01-06 23:41:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9263 states. [2021-01-06 23:41:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9263 states to 9263 states and 42388 transitions. [2021-01-06 23:41:12,903 INFO L78 Accepts]: Start accepts. Automaton has 9263 states and 42388 transitions. Word has length 21 [2021-01-06 23:41:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:12,904 INFO L481 AbstractCegarLoop]: Abstraction has 9263 states and 42388 transitions. [2021-01-06 23:41:12,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9263 states and 42388 transitions. [2021-01-06 23:41:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:12,905 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:12,905 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:12,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-01-06 23:41:12,905 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:12,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1258094885, now seen corresponding path program 5 times [2021-01-06 23:41:12,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:12,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57379324] [2021-01-06 23:41:12,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:12,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57379324] [2021-01-06 23:41:12,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:12,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:12,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895578794] [2021-01-06 23:41:12,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:12,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:12,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:12,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:12,968 INFO L87 Difference]: Start difference. First operand 9263 states and 42388 transitions. Second operand 9 states. [2021-01-06 23:41:13,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:13,606 INFO L93 Difference]: Finished difference Result 29796 states and 113861 transitions. [2021-01-06 23:41:13,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:13,607 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:41:13,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:13,687 INFO L225 Difference]: With dead ends: 29796 [2021-01-06 23:41:13,687 INFO L226 Difference]: Without dead ends: 29778 [2021-01-06 23:41:13,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:14,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29778 states. [2021-01-06 23:41:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29778 to 8964. [2021-01-06 23:41:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8964 states. [2021-01-06 23:41:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8964 states to 8964 states and 41031 transitions. [2021-01-06 23:41:14,443 INFO L78 Accepts]: Start accepts. Automaton has 8964 states and 41031 transitions. Word has length 21 [2021-01-06 23:41:14,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:14,443 INFO L481 AbstractCegarLoop]: Abstraction has 8964 states and 41031 transitions. [2021-01-06 23:41:14,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8964 states and 41031 transitions. [2021-01-06 23:41:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:41:14,445 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:14,445 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:14,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-01-06 23:41:14,445 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:14,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:14,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1251845285, now seen corresponding path program 6 times [2021-01-06 23:41:14,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:14,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298745783] [2021-01-06 23:41:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:41:14,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298745783] [2021-01-06 23:41:14,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:14,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:14,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816246247] [2021-01-06 23:41:14,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:14,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:14,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:14,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:14,499 INFO L87 Difference]: Start difference. First operand 8964 states and 41031 transitions. Second operand 9 states. [2021-01-06 23:41:15,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:15,288 INFO L93 Difference]: Finished difference Result 29379 states and 112099 transitions. [2021-01-06 23:41:15,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:15,288 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:41:15,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:15,405 INFO L225 Difference]: With dead ends: 29379 [2021-01-06 23:41:15,405 INFO L226 Difference]: Without dead ends: 29356 [2021-01-06 23:41:15,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29356 states. [2021-01-06 23:41:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29356 to 8573. [2021-01-06 23:41:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2021-01-06 23:41:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2021-01-06 23:41:16,189 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2021-01-06 23:41:16,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:16,190 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2021-01-06 23:41:16,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2021-01-06 23:41:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:16,192 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:16,192 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:16,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-01-06 23:41:16,192 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:16,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:16,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1526682601, now seen corresponding path program 1 times [2021-01-06 23:41:16,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:16,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16101315] [2021-01-06 23:41:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:16,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16101315] [2021-01-06 23:41:16,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844275179] [2021-01-06 23:41:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:16,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:41:16,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:16,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:16,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:41:16,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234994273] [2021-01-06 23:41:16,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:16,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:16,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:16,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:16,390 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 9 states. [2021-01-06 23:41:16,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:16,874 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2021-01-06 23:41:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:16,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2021-01-06 23:41:16,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:16,962 INFO L225 Difference]: With dead ends: 19727 [2021-01-06 23:41:16,962 INFO L226 Difference]: Without dead ends: 19703 [2021-01-06 23:41:16,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:41:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2021-01-06 23:41:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2021-01-06 23:41:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2021-01-06 23:41:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2021-01-06 23:41:17,652 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2021-01-06 23:41:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:17,653 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2021-01-06 23:41:17,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2021-01-06 23:41:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:17,655 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:17,656 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:17,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-01-06 23:41:17,870 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:17,871 INFO L82 PathProgramCache]: Analyzing trace with hash 785955677, now seen corresponding path program 2 times [2021-01-06 23:41:17,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:17,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232857747] [2021-01-06 23:41:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:17,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232857747] [2021-01-06 23:41:17,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:17,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:17,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873387741] [2021-01-06 23:41:17,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:17,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:17,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:17,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:17,910 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 7 states. [2021-01-06 23:41:18,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:18,218 INFO L93 Difference]: Finished difference Result 20209 states and 82213 transitions. [2021-01-06 23:41:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:18,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:41:18,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:18,296 INFO L225 Difference]: With dead ends: 20209 [2021-01-06 23:41:18,297 INFO L226 Difference]: Without dead ends: 20172 [2021-01-06 23:41:18,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20172 states. [2021-01-06 23:41:19,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20172 to 8496. [2021-01-06 23:41:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8496 states. [2021-01-06 23:41:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 38896 transitions. [2021-01-06 23:41:19,046 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 38896 transitions. Word has length 23 [2021-01-06 23:41:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:19,047 INFO L481 AbstractCegarLoop]: Abstraction has 8496 states and 38896 transitions. [2021-01-06 23:41:19,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 38896 transitions. [2021-01-06 23:41:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:19,049 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:19,049 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:19,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-01-06 23:41:19,050 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:19,050 INFO L82 PathProgramCache]: Analyzing trace with hash 785949167, now seen corresponding path program 1 times [2021-01-06 23:41:19,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:19,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346688086] [2021-01-06 23:41:19,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:19,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346688086] [2021-01-06 23:41:19,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:19,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:19,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814037137] [2021-01-06 23:41:19,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:19,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:19,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:19,086 INFO L87 Difference]: Start difference. First operand 8496 states and 38896 transitions. Second operand 7 states. [2021-01-06 23:41:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:19,381 INFO L93 Difference]: Finished difference Result 20464 states and 83279 transitions. [2021-01-06 23:41:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:19,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:41:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:19,438 INFO L225 Difference]: With dead ends: 20464 [2021-01-06 23:41:19,439 INFO L226 Difference]: Without dead ends: 20427 [2021-01-06 23:41:19,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20427 states. [2021-01-06 23:41:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20427 to 8768. [2021-01-06 23:41:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8768 states. [2021-01-06 23:41:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 40121 transitions. [2021-01-06 23:41:20,026 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 40121 transitions. Word has length 23 [2021-01-06 23:41:20,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:20,026 INFO L481 AbstractCegarLoop]: Abstraction has 8768 states and 40121 transitions. [2021-01-06 23:41:20,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 40121 transitions. [2021-01-06 23:41:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:20,028 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:20,028 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:20,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-01-06 23:41:20,028 INFO L429 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash 785935682, now seen corresponding path program 1 times [2021-01-06 23:41:20,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:20,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968620437] [2021-01-06 23:41:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:20,062 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:20,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968620437] [2021-01-06 23:41:20,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:20,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:20,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17757611] [2021-01-06 23:41:20,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:20,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:20,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:20,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:20,064 INFO L87 Difference]: Start difference. First operand 8768 states and 40121 transitions. Second operand 7 states. [2021-01-06 23:41:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:20,346 INFO L93 Difference]: Finished difference Result 20337 states and 82588 transitions. [2021-01-06 23:41:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:20,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:41:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:20,401 INFO L225 Difference]: With dead ends: 20337 [2021-01-06 23:41:20,401 INFO L226 Difference]: Without dead ends: 20300 [2021-01-06 23:41:20,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:20,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20300 states. [2021-01-06 23:41:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20300 to 9144. [2021-01-06 23:41:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9144 states. [2021-01-06 23:41:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9144 states to 9144 states and 41753 transitions. [2021-01-06 23:41:21,047 INFO L78 Accepts]: Start accepts. Automaton has 9144 states and 41753 transitions. Word has length 23 [2021-01-06 23:41:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:21,047 INFO L481 AbstractCegarLoop]: Abstraction has 9144 states and 41753 transitions. [2021-01-06 23:41:21,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9144 states and 41753 transitions. [2021-01-06 23:41:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:21,050 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:21,050 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:21,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-01-06 23:41:21,050 INFO L429 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:21,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:21,050 INFO L82 PathProgramCache]: Analyzing trace with hash 792496367, now seen corresponding path program 2 times [2021-01-06 23:41:21,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:21,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306857631] [2021-01-06 23:41:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:21,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306857631] [2021-01-06 23:41:21,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:21,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:21,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805610889] [2021-01-06 23:41:21,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:21,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:21,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:21,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:21,092 INFO L87 Difference]: Start difference. First operand 9144 states and 41753 transitions. Second operand 7 states. [2021-01-06 23:41:21,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:21,403 INFO L93 Difference]: Finished difference Result 20461 states and 83108 transitions. [2021-01-06 23:41:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:21,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:41:21,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:21,641 INFO L225 Difference]: With dead ends: 20461 [2021-01-06 23:41:21,641 INFO L226 Difference]: Without dead ends: 20433 [2021-01-06 23:41:21,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:21,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20433 states. [2021-01-06 23:41:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20433 to 9327. [2021-01-06 23:41:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9327 states. [2021-01-06 23:41:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9327 states to 9327 states and 42562 transitions. [2021-01-06 23:41:22,025 INFO L78 Accepts]: Start accepts. Automaton has 9327 states and 42562 transitions. Word has length 23 [2021-01-06 23:41:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:22,025 INFO L481 AbstractCegarLoop]: Abstraction has 9327 states and 42562 transitions. [2021-01-06 23:41:22,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 9327 states and 42562 transitions. [2021-01-06 23:41:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:41:22,028 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:22,028 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:22,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-01-06 23:41:22,029 INFO L429 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:22,029 INFO L82 PathProgramCache]: Analyzing trace with hash 779537282, now seen corresponding path program 2 times [2021-01-06 23:41:22,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:22,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190173812] [2021-01-06 23:41:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:22,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190173812] [2021-01-06 23:41:22,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:22,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:41:22,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298681423] [2021-01-06 23:41:22,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:41:22,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:22,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:41:22,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:22,071 INFO L87 Difference]: Start difference. First operand 9327 states and 42562 transitions. Second operand 7 states. [2021-01-06 23:41:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:22,551 INFO L93 Difference]: Finished difference Result 21207 states and 86283 transitions. [2021-01-06 23:41:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:41:22,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:41:22,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:22,627 INFO L225 Difference]: With dead ends: 21207 [2021-01-06 23:41:22,627 INFO L226 Difference]: Without dead ends: 21170 [2021-01-06 23:41:22,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:41:22,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21170 states. [2021-01-06 23:41:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21170 to 9426. [2021-01-06 23:41:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2021-01-06 23:41:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2021-01-06 23:41:23,030 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2021-01-06 23:41:23,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:23,030 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2021-01-06 23:41:23,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:41:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2021-01-06 23:41:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:23,034 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:23,034 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:23,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-01-06 23:41:23,035 INFO L429 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:23,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:23,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1736857937, now seen corresponding path program 1 times [2021-01-06 23:41:23,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:23,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595319274] [2021-01-06 23:41:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:23,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595319274] [2021-01-06 23:41:23,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410952901] [2021-01-06 23:41:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:23,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 23:41:23,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:23,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:23,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:23,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271116035] [2021-01-06 23:41:23,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:23,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:23,237 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 11 states. [2021-01-06 23:41:23,546 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-01-06 23:41:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:24,100 INFO L93 Difference]: Finished difference Result 30087 states and 115517 transitions. [2021-01-06 23:41:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:24,100 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2021-01-06 23:41:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:24,182 INFO L225 Difference]: With dead ends: 30087 [2021-01-06 23:41:24,183 INFO L226 Difference]: Without dead ends: 30067 [2021-01-06 23:41:24,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30067 states. [2021-01-06 23:41:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30067 to 9456. [2021-01-06 23:41:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9456 states. [2021-01-06 23:41:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9456 states to 9456 states and 43124 transitions. [2021-01-06 23:41:24,908 INFO L78 Accepts]: Start accepts. Automaton has 9456 states and 43124 transitions. Word has length 25 [2021-01-06 23:41:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:24,908 INFO L481 AbstractCegarLoop]: Abstraction has 9456 states and 43124 transitions. [2021-01-06 23:41:24,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 9456 states and 43124 transitions. [2021-01-06 23:41:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:24,913 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:24,913 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:25,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:25,115 INFO L429 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:25,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1736844452, now seen corresponding path program 1 times [2021-01-06 23:41:25,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:25,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668504766] [2021-01-06 23:41:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:25,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668504766] [2021-01-06 23:41:25,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556562373] [2021-01-06 23:41:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:25,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 23:41:25,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:25,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:25,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:25,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793618112] [2021-01-06 23:41:25,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:25,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:25,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:25,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:25,334 INFO L87 Difference]: Start difference. First operand 9456 states and 43124 transitions. Second operand 11 states. [2021-01-06 23:41:26,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:26,254 INFO L93 Difference]: Finished difference Result 29743 states and 114176 transitions. [2021-01-06 23:41:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:26,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2021-01-06 23:41:26,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:26,332 INFO L225 Difference]: With dead ends: 29743 [2021-01-06 23:41:26,332 INFO L226 Difference]: Without dead ends: 29723 [2021-01-06 23:41:26,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:26,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29723 states. [2021-01-06 23:41:26,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29723 to 9373. [2021-01-06 23:41:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9373 states. [2021-01-06 23:41:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 42689 transitions. [2021-01-06 23:41:26,837 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 42689 transitions. Word has length 25 [2021-01-06 23:41:26,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:26,837 INFO L481 AbstractCegarLoop]: Abstraction has 9373 states and 42689 transitions. [2021-01-06 23:41:26,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 42689 transitions. [2021-01-06 23:41:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:26,842 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:26,842 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:27,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-01-06 23:41:27,051 INFO L429 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1743405137, now seen corresponding path program 2 times [2021-01-06 23:41:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:27,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004159417] [2021-01-06 23:41:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:27,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004159417] [2021-01-06 23:41:27,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230166669] [2021-01-06 23:41:27,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:27,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 23:41:27,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:41:27,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:41:27,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:27,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:27,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:27,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930253699] [2021-01-06 23:41:27,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:27,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:27,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:27,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:27,342 INFO L87 Difference]: Start difference. First operand 9373 states and 42689 transitions. Second operand 11 states. [2021-01-06 23:41:28,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:28,038 INFO L93 Difference]: Finished difference Result 29537 states and 113285 transitions. [2021-01-06 23:41:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:28,038 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2021-01-06 23:41:28,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:28,119 INFO L225 Difference]: With dead ends: 29537 [2021-01-06 23:41:28,119 INFO L226 Difference]: Without dead ends: 29515 [2021-01-06 23:41:28,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:28,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29515 states. [2021-01-06 23:41:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29515 to 9260. [2021-01-06 23:41:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2021-01-06 23:41:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 42114 transitions. [2021-01-06 23:41:28,758 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 42114 transitions. Word has length 25 [2021-01-06 23:41:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:28,758 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 42114 transitions. [2021-01-06 23:41:28,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 42114 transitions. [2021-01-06 23:41:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:28,762 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:28,762 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:28,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-01-06 23:41:28,970 INFO L429 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:28,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:28,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1730446052, now seen corresponding path program 2 times [2021-01-06 23:41:28,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:28,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948146111] [2021-01-06 23:41:28,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:29,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948146111] [2021-01-06 23:41:29,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436605489] [2021-01-06 23:41:29,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:41:29,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 23:41:29,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:41:29,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:41:29,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:41:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:41:29,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:41:29,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:41:29,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256549993] [2021-01-06 23:41:29,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:41:29,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:41:29,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:41:29,157 INFO L87 Difference]: Start difference. First operand 9260 states and 42114 transitions. Second operand 11 states. [2021-01-06 23:41:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:29,940 INFO L93 Difference]: Finished difference Result 29093 states and 111462 transitions. [2021-01-06 23:41:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:29,941 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2021-01-06 23:41:29,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:30,036 INFO L225 Difference]: With dead ends: 29093 [2021-01-06 23:41:30,037 INFO L226 Difference]: Without dead ends: 29071 [2021-01-06 23:41:30,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:41:30,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29071 states. [2021-01-06 23:41:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29071 to 9176. [2021-01-06 23:41:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9176 states. [2021-01-06 23:41:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 41695 transitions. [2021-01-06 23:41:30,773 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 41695 transitions. Word has length 25 [2021-01-06 23:41:30,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:30,773 INFO L481 AbstractCegarLoop]: Abstraction has 9176 states and 41695 transitions. [2021-01-06 23:41:30,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:41:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 41695 transitions. [2021-01-06 23:41:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:30,777 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:30,778 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:30,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-01-06 23:41:30,992 INFO L429 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:30,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash -610816233, now seen corresponding path program 3 times [2021-01-06 23:41:30,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:30,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718823182] [2021-01-06 23:41:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:31,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718823182] [2021-01-06 23:41:31,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:31,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:31,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506397101] [2021-01-06 23:41:31,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:31,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:31,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:31,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:31,047 INFO L87 Difference]: Start difference. First operand 9176 states and 41695 transitions. Second operand 9 states. [2021-01-06 23:41:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:31,690 INFO L93 Difference]: Finished difference Result 29071 states and 111390 transitions. [2021-01-06 23:41:31,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:31,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:31,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:31,769 INFO L225 Difference]: With dead ends: 29071 [2021-01-06 23:41:31,770 INFO L226 Difference]: Without dead ends: 29051 [2021-01-06 23:41:31,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29051 states. [2021-01-06 23:41:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29051 to 8951. [2021-01-06 23:41:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2021-01-06 23:41:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40666 transitions. [2021-01-06 23:41:32,476 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40666 transitions. Word has length 25 [2021-01-06 23:41:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:32,477 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40666 transitions. [2021-01-06 23:41:32,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40666 transitions. [2021-01-06 23:41:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:32,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:32,480 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:32,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-01-06 23:41:32,481 INFO L429 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash -610829718, now seen corresponding path program 3 times [2021-01-06 23:41:32,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:32,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972774064] [2021-01-06 23:41:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:32,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972774064] [2021-01-06 23:41:32,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:32,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:32,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496669887] [2021-01-06 23:41:32,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:32,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:32,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:32,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:32,538 INFO L87 Difference]: Start difference. First operand 8951 states and 40666 transitions. Second operand 9 states. [2021-01-06 23:41:33,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:33,429 INFO L93 Difference]: Finished difference Result 28646 states and 109668 transitions. [2021-01-06 23:41:33,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:33,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:33,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:33,529 INFO L225 Difference]: With dead ends: 28646 [2021-01-06 23:41:33,529 INFO L226 Difference]: Without dead ends: 28626 [2021-01-06 23:41:33,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28626 states. [2021-01-06 23:41:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28626 to 8720. [2021-01-06 23:41:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8720 states. [2021-01-06 23:41:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 39615 transitions. [2021-01-06 23:41:34,000 INFO L78 Accepts]: Start accepts. Automaton has 8720 states and 39615 transitions. Word has length 25 [2021-01-06 23:41:34,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:34,001 INFO L481 AbstractCegarLoop]: Abstraction has 8720 states and 39615 transitions. [2021-01-06 23:41:34,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 8720 states and 39615 transitions. [2021-01-06 23:41:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:34,004 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:34,004 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:34,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-01-06 23:41:34,005 INFO L429 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:34,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:34,005 INFO L82 PathProgramCache]: Analyzing trace with hash -617065833, now seen corresponding path program 4 times [2021-01-06 23:41:34,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:34,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762534233] [2021-01-06 23:41:34,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:34,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762534233] [2021-01-06 23:41:34,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:34,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:34,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938737080] [2021-01-06 23:41:34,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:34,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:34,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:34,055 INFO L87 Difference]: Start difference. First operand 8720 states and 39615 transitions. Second operand 9 states. [2021-01-06 23:41:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:34,877 INFO L93 Difference]: Finished difference Result 28727 states and 109977 transitions. [2021-01-06 23:41:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:34,878 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:34,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:34,953 INFO L225 Difference]: With dead ends: 28727 [2021-01-06 23:41:34,953 INFO L226 Difference]: Without dead ends: 28700 [2021-01-06 23:41:34,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:35,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28700 states. [2021-01-06 23:41:35,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28700 to 8616. [2021-01-06 23:41:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8616 states. [2021-01-06 23:41:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8616 states to 8616 states and 39118 transitions. [2021-01-06 23:41:35,629 INFO L78 Accepts]: Start accepts. Automaton has 8616 states and 39118 transitions. Word has length 25 [2021-01-06 23:41:35,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:35,629 INFO L481 AbstractCegarLoop]: Abstraction has 8616 states and 39118 transitions. [2021-01-06 23:41:35,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8616 states and 39118 transitions. [2021-01-06 23:41:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:35,633 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:35,633 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:35,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-01-06 23:41:35,633 INFO L429 AbstractCegarLoop]: === Iteration 31 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:35,634 INFO L82 PathProgramCache]: Analyzing trace with hash -617085828, now seen corresponding path program 1 times [2021-01-06 23:41:35,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:35,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901261976] [2021-01-06 23:41:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:35,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901261976] [2021-01-06 23:41:35,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:35,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:35,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148439378] [2021-01-06 23:41:35,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:35,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:35,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:35,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:35,687 INFO L87 Difference]: Start difference. First operand 8616 states and 39118 transitions. Second operand 9 states. [2021-01-06 23:41:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:36,265 INFO L93 Difference]: Finished difference Result 28473 states and 109212 transitions. [2021-01-06 23:41:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:36,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:36,343 INFO L225 Difference]: With dead ends: 28473 [2021-01-06 23:41:36,343 INFO L226 Difference]: Without dead ends: 28453 [2021-01-06 23:41:36,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:36,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28453 states. [2021-01-06 23:41:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28453 to 8610. [2021-01-06 23:41:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2021-01-06 23:41:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39066 transitions. [2021-01-06 23:41:37,059 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39066 transitions. Word has length 25 [2021-01-06 23:41:37,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:37,060 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39066 transitions. [2021-01-06 23:41:37,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39066 transitions. [2021-01-06 23:41:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:37,064 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:37,065 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:37,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-01-06 23:41:37,065 INFO L429 AbstractCegarLoop]: === Iteration 32 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:37,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:37,065 INFO L82 PathProgramCache]: Analyzing trace with hash -630024918, now seen corresponding path program 4 times [2021-01-06 23:41:37,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:37,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858250490] [2021-01-06 23:41:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:37,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858250490] [2021-01-06 23:41:37,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:37,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:37,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503026878] [2021-01-06 23:41:37,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:37,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:37,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:37,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:37,120 INFO L87 Difference]: Start difference. First operand 8610 states and 39066 transitions. Second operand 9 states. [2021-01-06 23:41:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:37,730 INFO L93 Difference]: Finished difference Result 28142 states and 107635 transitions. [2021-01-06 23:41:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:37,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:38,011 INFO L225 Difference]: With dead ends: 28142 [2021-01-06 23:41:38,011 INFO L226 Difference]: Without dead ends: 28115 [2021-01-06 23:41:38,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28115 states. [2021-01-06 23:41:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28115 to 8610. [2021-01-06 23:41:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2021-01-06 23:41:38,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39034 transitions. [2021-01-06 23:41:38,476 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39034 transitions. Word has length 25 [2021-01-06 23:41:38,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:38,477 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39034 transitions. [2021-01-06 23:41:38,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:38,477 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39034 transitions. [2021-01-06 23:41:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:38,480 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:38,480 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:38,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-01-06 23:41:38,480 INFO L429 AbstractCegarLoop]: === Iteration 33 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:38,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:38,481 INFO L82 PathProgramCache]: Analyzing trace with hash -630031428, now seen corresponding path program 2 times [2021-01-06 23:41:38,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:38,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004702338] [2021-01-06 23:41:38,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:38,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004702338] [2021-01-06 23:41:38,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:38,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:38,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626166234] [2021-01-06 23:41:38,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:38,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:38,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:38,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:38,528 INFO L87 Difference]: Start difference. First operand 8610 states and 39034 transitions. Second operand 9 states. [2021-01-06 23:41:39,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:39,467 INFO L93 Difference]: Finished difference Result 27938 states and 107074 transitions. [2021-01-06 23:41:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:39,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:39,587 INFO L225 Difference]: With dead ends: 27938 [2021-01-06 23:41:39,587 INFO L226 Difference]: Without dead ends: 27911 [2021-01-06 23:41:39,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27911 states. [2021-01-06 23:41:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27911 to 8553. [2021-01-06 23:41:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8553 states. [2021-01-06 23:41:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8553 states to 8553 states and 38751 transitions. [2021-01-06 23:41:40,414 INFO L78 Accepts]: Start accepts. Automaton has 8553 states and 38751 transitions. Word has length 25 [2021-01-06 23:41:40,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:40,414 INFO L481 AbstractCegarLoop]: Abstraction has 8553 states and 38751 transitions. [2021-01-06 23:41:40,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8553 states and 38751 transitions. [2021-01-06 23:41:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:40,419 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:40,419 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:40,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-01-06 23:41:40,419 INFO L429 AbstractCegarLoop]: === Iteration 34 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:40,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1755430419, now seen corresponding path program 1 times [2021-01-06 23:41:40,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:40,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999147205] [2021-01-06 23:41:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-01-06 23:41:40,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999147205] [2021-01-06 23:41:40,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:40,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:41:40,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41098021] [2021-01-06 23:41:40,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:41:40,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:40,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:41:40,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:41:40,450 INFO L87 Difference]: Start difference. First operand 8553 states and 38751 transitions. Second operand 5 states. [2021-01-06 23:41:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:40,594 INFO L93 Difference]: Finished difference Result 13816 states and 60190 transitions. [2021-01-06 23:41:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:41:40,595 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-01-06 23:41:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:40,635 INFO L225 Difference]: With dead ends: 13816 [2021-01-06 23:41:40,635 INFO L226 Difference]: Without dead ends: 13784 [2021-01-06 23:41:40,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:41:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13784 states. [2021-01-06 23:41:40,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13784 to 10108. [2021-01-06 23:41:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2021-01-06 23:41:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 45481 transitions. [2021-01-06 23:41:40,967 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 45481 transitions. Word has length 25 [2021-01-06 23:41:40,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:40,967 INFO L481 AbstractCegarLoop]: Abstraction has 10108 states and 45481 transitions. [2021-01-06 23:41:40,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:41:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 45481 transitions. [2021-01-06 23:41:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:40,971 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:40,971 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:40,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-01-06 23:41:40,971 INFO L429 AbstractCegarLoop]: === Iteration 35 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:40,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1392622871, now seen corresponding path program 5 times [2021-01-06 23:41:40,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:40,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642162139] [2021-01-06 23:41:40,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:41,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642162139] [2021-01-06 23:41:41,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:41,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:41,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281568997] [2021-01-06 23:41:41,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:41,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:41,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:41,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:41,021 INFO L87 Difference]: Start difference. First operand 10108 states and 45481 transitions. Second operand 9 states. [2021-01-06 23:41:41,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:41,814 INFO L93 Difference]: Finished difference Result 31306 states and 120988 transitions. [2021-01-06 23:41:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:41,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:41,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:41,897 INFO L225 Difference]: With dead ends: 31306 [2021-01-06 23:41:41,897 INFO L226 Difference]: Without dead ends: 31280 [2021-01-06 23:41:41,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:42,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31280 states. [2021-01-06 23:41:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31280 to 9900. [2021-01-06 23:41:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9900 states. [2021-01-06 23:41:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9900 states to 9900 states and 44494 transitions. [2021-01-06 23:41:42,614 INFO L78 Accepts]: Start accepts. Automaton has 9900 states and 44494 transitions. Word has length 25 [2021-01-06 23:41:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:42,614 INFO L481 AbstractCegarLoop]: Abstraction has 9900 states and 44494 transitions. [2021-01-06 23:41:42,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 9900 states and 44494 transitions. [2021-01-06 23:41:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:42,618 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:42,618 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:42,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-01-06 23:41:42,618 INFO L429 AbstractCegarLoop]: === Iteration 36 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:42,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1379826071, now seen corresponding path program 6 times [2021-01-06 23:41:42,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:42,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953295150] [2021-01-06 23:41:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:42,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953295150] [2021-01-06 23:41:42,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:42,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:42,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681268793] [2021-01-06 23:41:42,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:42,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:42,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:42,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:42,671 INFO L87 Difference]: Start difference. First operand 9900 states and 44494 transitions. Second operand 9 states. [2021-01-06 23:41:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:43,322 INFO L93 Difference]: Finished difference Result 30991 states and 119641 transitions. [2021-01-06 23:41:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:43,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:43,408 INFO L225 Difference]: With dead ends: 30991 [2021-01-06 23:41:43,408 INFO L226 Difference]: Without dead ends: 30963 [2021-01-06 23:41:43,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:43,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30963 states. [2021-01-06 23:41:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30963 to 9673. [2021-01-06 23:41:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9673 states. [2021-01-06 23:41:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 43497 transitions. [2021-01-06 23:41:44,277 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 43497 transitions. Word has length 25 [2021-01-06 23:41:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:44,277 INFO L481 AbstractCegarLoop]: Abstraction has 9673 states and 43497 transitions. [2021-01-06 23:41:44,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 43497 transitions. [2021-01-06 23:41:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:44,281 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:44,281 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:44,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-01-06 23:41:44,281 INFO L429 AbstractCegarLoop]: === Iteration 37 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:44,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:44,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1379806076, now seen corresponding path program 3 times [2021-01-06 23:41:44,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:44,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175142688] [2021-01-06 23:41:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:44,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175142688] [2021-01-06 23:41:44,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:44,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:44,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605805117] [2021-01-06 23:41:44,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:44,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:44,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:44,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:44,339 INFO L87 Difference]: Start difference. First operand 9673 states and 43497 transitions. Second operand 9 states. [2021-01-06 23:41:45,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:45,218 INFO L93 Difference]: Finished difference Result 30892 states and 119477 transitions. [2021-01-06 23:41:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:45,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:45,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:45,300 INFO L225 Difference]: With dead ends: 30892 [2021-01-06 23:41:45,300 INFO L226 Difference]: Without dead ends: 30866 [2021-01-06 23:41:45,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30866 states. [2021-01-06 23:41:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30866 to 9571. [2021-01-06 23:41:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9571 states. [2021-01-06 23:41:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 43015 transitions. [2021-01-06 23:41:46,095 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 43015 transitions. Word has length 25 [2021-01-06 23:41:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:46,095 INFO L481 AbstractCegarLoop]: Abstraction has 9571 states and 43015 transitions. [2021-01-06 23:41:46,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 43015 transitions. [2021-01-06 23:41:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:46,100 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:46,100 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:46,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-01-06 23:41:46,100 INFO L429 AbstractCegarLoop]: === Iteration 38 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:46,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:46,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1373407676, now seen corresponding path program 4 times [2021-01-06 23:41:46,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:46,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327323405] [2021-01-06 23:41:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:46,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327323405] [2021-01-06 23:41:46,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:46,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:46,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825888083] [2021-01-06 23:41:46,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:46,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:46,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:46,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:46,169 INFO L87 Difference]: Start difference. First operand 9571 states and 43015 transitions. Second operand 9 states. [2021-01-06 23:41:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:46,998 INFO L93 Difference]: Finished difference Result 31203 states and 120737 transitions. [2021-01-06 23:41:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:46,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:47,123 INFO L225 Difference]: With dead ends: 31203 [2021-01-06 23:41:47,124 INFO L226 Difference]: Without dead ends: 31170 [2021-01-06 23:41:47,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:47,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31170 states. [2021-01-06 23:41:48,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31170 to 9425. [2021-01-06 23:41:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2021-01-06 23:41:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 42312 transitions. [2021-01-06 23:41:48,060 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 42312 transitions. Word has length 25 [2021-01-06 23:41:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:48,060 INFO L481 AbstractCegarLoop]: Abstraction has 9425 states and 42312 transitions. [2021-01-06 23:41:48,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 42312 transitions. [2021-01-06 23:41:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:48,064 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:48,064 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:48,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-01-06 23:41:48,065 INFO L429 AbstractCegarLoop]: === Iteration 39 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:48,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1823844074, now seen corresponding path program 5 times [2021-01-06 23:41:48,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:48,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031689752] [2021-01-06 23:41:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:48,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031689752] [2021-01-06 23:41:48,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:48,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:48,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208884853] [2021-01-06 23:41:48,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:48,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:48,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:48,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:48,113 INFO L87 Difference]: Start difference. First operand 9425 states and 42312 transitions. Second operand 9 states. [2021-01-06 23:41:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:48,780 INFO L93 Difference]: Finished difference Result 30960 states and 119709 transitions. [2021-01-06 23:41:48,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:48,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:49,079 INFO L225 Difference]: With dead ends: 30960 [2021-01-06 23:41:49,079 INFO L226 Difference]: Without dead ends: 30934 [2021-01-06 23:41:49,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30934 states. [2021-01-06 23:41:49,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30934 to 9258. [2021-01-06 23:41:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9258 states. [2021-01-06 23:41:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 41545 transitions. [2021-01-06 23:41:49,592 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 41545 transitions. Word has length 25 [2021-01-06 23:41:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:49,592 INFO L481 AbstractCegarLoop]: Abstraction has 9258 states and 41545 transitions. [2021-01-06 23:41:49,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 41545 transitions. [2021-01-06 23:41:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:49,595 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:49,595 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:49,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-01-06 23:41:49,596 INFO L429 AbstractCegarLoop]: === Iteration 40 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:49,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:49,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1811047274, now seen corresponding path program 6 times [2021-01-06 23:41:49,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:49,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187327113] [2021-01-06 23:41:49,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:49,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187327113] [2021-01-06 23:41:49,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:49,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:49,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890804483] [2021-01-06 23:41:49,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:49,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:49,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:49,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:49,651 INFO L87 Difference]: Start difference. First operand 9258 states and 41545 transitions. Second operand 9 states. [2021-01-06 23:41:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:50,469 INFO L93 Difference]: Finished difference Result 30557 states and 118001 transitions. [2021-01-06 23:41:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:50,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:50,548 INFO L225 Difference]: With dead ends: 30557 [2021-01-06 23:41:50,548 INFO L226 Difference]: Without dead ends: 30524 [2021-01-06 23:41:50,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30524 states. [2021-01-06 23:41:51,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30524 to 8995. [2021-01-06 23:41:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8995 states. [2021-01-06 23:41:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8995 states to 8995 states and 40406 transitions. [2021-01-06 23:41:51,249 INFO L78 Accepts]: Start accepts. Automaton has 8995 states and 40406 transitions. Word has length 25 [2021-01-06 23:41:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:51,249 INFO L481 AbstractCegarLoop]: Abstraction has 8995 states and 40406 transitions. [2021-01-06 23:41:51,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 8995 states and 40406 transitions. [2021-01-06 23:41:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:51,252 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:51,252 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:51,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-01-06 23:41:51,252 INFO L429 AbstractCegarLoop]: === Iteration 41 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:51,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:51,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1811040764, now seen corresponding path program 5 times [2021-01-06 23:41:51,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:51,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112060609] [2021-01-06 23:41:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:51,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112060609] [2021-01-06 23:41:51,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:51,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:51,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210459867] [2021-01-06 23:41:51,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:51,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:51,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:51,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:51,310 INFO L87 Difference]: Start difference. First operand 8995 states and 40406 transitions. Second operand 9 states. [2021-01-06 23:41:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:52,161 INFO L93 Difference]: Finished difference Result 30154 states and 116397 transitions. [2021-01-06 23:41:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:52,161 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:52,282 INFO L225 Difference]: With dead ends: 30154 [2021-01-06 23:41:52,282 INFO L226 Difference]: Without dead ends: 30128 [2021-01-06 23:41:52,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30128 states. [2021-01-06 23:41:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30128 to 8901. [2021-01-06 23:41:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2021-01-06 23:41:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 39944 transitions. [2021-01-06 23:41:53,046 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 39944 transitions. Word has length 25 [2021-01-06 23:41:53,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:53,046 INFO L481 AbstractCegarLoop]: Abstraction has 8901 states and 39944 transitions. [2021-01-06 23:41:53,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 39944 transitions. [2021-01-06 23:41:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 23:41:53,050 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:53,050 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:53,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-01-06 23:41:53,050 INFO L429 AbstractCegarLoop]: === Iteration 42 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:53,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:53,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1817587964, now seen corresponding path program 6 times [2021-01-06 23:41:53,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:53,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085738512] [2021-01-06 23:41:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:41:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:41:53,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085738512] [2021-01-06 23:41:53,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:41:53,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:41:53,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338738880] [2021-01-06 23:41:53,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:41:53,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:41:53,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:41:53,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:41:53,105 INFO L87 Difference]: Start difference. First operand 8901 states and 39944 transitions. Second operand 9 states. [2021-01-06 23:41:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:41:53,911 INFO L93 Difference]: Finished difference Result 29876 states and 115200 transitions. [2021-01-06 23:41:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:41:53,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2021-01-06 23:41:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:41:54,017 INFO L225 Difference]: With dead ends: 29876 [2021-01-06 23:41:54,017 INFO L226 Difference]: Without dead ends: 29843 [2021-01-06 23:41:54,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:41:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29843 states. [2021-01-06 23:41:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29843 to 8560. [2021-01-06 23:41:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2021-01-06 23:41:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2021-01-06 23:41:54,516 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2021-01-06 23:41:54,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:41:54,516 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2021-01-06 23:41:54,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:41:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2021-01-06 23:41:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 23:41:54,520 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:41:54,520 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:41:54,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-01-06 23:41:54,520 INFO L429 AbstractCegarLoop]: === Iteration 43 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:41:54,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:41:54,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1421958701, now seen corresponding path program 1 times [2021-01-06 23:41:54,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:41:54,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743520769] [2021-01-06 23:41:54,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:41:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:41:54,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:41:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 23:41:54,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 23:41:54,546 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 23:41:54,546 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 23:41:54,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-01-06 23:41:54,546 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-06 23:41:54,547 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-01-06 23:41:54,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,591 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,599 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,599 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,609 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,609 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,610 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,610 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,610 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,610 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,611 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-06 23:41:54,622 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-06 23:41:54,623 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-01-06 23:41:54,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 23:41:54,623 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 23:41:54,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 23:41:54,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 23:41:54,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 23:41:54,624 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 23:41:54,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 23:41:54,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 23:41:54,626 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-01-06 23:41:54,626 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 151 transitions, 422 flow [2021-01-06 23:41:54,626 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 151 transitions, 422 flow [2021-01-06 23:41:54,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 151 transitions, 422 flow [2021-01-06 23:41:54,651 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2021-01-06 23:41:54,652 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-01-06 23:41:54,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 300 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 211. Up to 14 conditions per place. [2021-01-06 23:41:54,660 INFO L116 LiptonReduction]: Number of co-enabled transitions 3732 [2021-01-06 23:41:58,377 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-01-06 23:41:58,691 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-01-06 23:41:58,905 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:41:59,010 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:41:59,113 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:41:59,218 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-01-06 23:41:59,222 INFO L131 LiptonReduction]: Checked pairs total: 6259 [2021-01-06 23:41:59,222 INFO L133 LiptonReduction]: Total number of compositions: 142 [2021-01-06 23:41:59,223 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2021-01-06 23:42:00,874 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2021-01-06 23:42:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2021-01-06 23:42:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-01-06 23:42:00,875 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:00,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-01-06 23:42:00,875 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:00,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:00,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1398522, now seen corresponding path program 1 times [2021-01-06 23:42:00,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:00,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953887095] [2021-01-06 23:42:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:00,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953887095] [2021-01-06 23:42:00,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:00,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-01-06 23:42:00,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213506309] [2021-01-06 23:42:00,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 23:42:00,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:00,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 23:42:00,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:42:00,888 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2021-01-06 23:42:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:01,086 INFO L93 Difference]: Finished difference Result 23380 states and 116957 transitions. [2021-01-06 23:42:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 23:42:01,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2021-01-06 23:42:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:01,164 INFO L225 Difference]: With dead ends: 23380 [2021-01-06 23:42:01,164 INFO L226 Difference]: Without dead ends: 21320 [2021-01-06 23:42:01,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 23:42:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21320 states. [2021-01-06 23:42:02,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21320 to 16791. [2021-01-06 23:42:02,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2021-01-06 23:42:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2021-01-06 23:42:02,322 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2021-01-06 23:42:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:02,322 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2021-01-06 23:42:02,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 23:42:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2021-01-06 23:42:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 23:42:02,323 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:02,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:02,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-01-06 23:42:02,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:02,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:02,323 INFO L82 PathProgramCache]: Analyzing trace with hash -2143783924, now seen corresponding path program 1 times [2021-01-06 23:42:02,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:02,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068629600] [2021-01-06 23:42:02,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:02,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068629600] [2021-01-06 23:42:02,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:02,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:42:02,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607835305] [2021-01-06 23:42:02,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:42:02,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:02,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:42:02,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:42:02,343 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states. [2021-01-06 23:42:02,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:02,596 INFO L93 Difference]: Finished difference Result 30985 states and 150574 transitions. [2021-01-06 23:42:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:42:02,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2021-01-06 23:42:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:03,104 INFO L225 Difference]: With dead ends: 30985 [2021-01-06 23:42:03,105 INFO L226 Difference]: Without dead ends: 30977 [2021-01-06 23:42:03,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30977 states. [2021-01-06 23:42:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30977 to 19868. [2021-01-06 23:42:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19868 states. [2021-01-06 23:42:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19868 states to 19868 states and 103363 transitions. [2021-01-06 23:42:04,648 INFO L78 Accepts]: Start accepts. Automaton has 19868 states and 103363 transitions. Word has length 9 [2021-01-06 23:42:04,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:04,648 INFO L481 AbstractCegarLoop]: Abstraction has 19868 states and 103363 transitions. [2021-01-06 23:42:04,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:42:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 19868 states and 103363 transitions. [2021-01-06 23:42:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 23:42:04,653 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:04,653 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:04,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-01-06 23:42:04,654 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:04,654 INFO L82 PathProgramCache]: Analyzing trace with hash 130953863, now seen corresponding path program 1 times [2021-01-06 23:42:04,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:04,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762335622] [2021-01-06 23:42:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:04,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762335622] [2021-01-06 23:42:04,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:04,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:42:04,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705204881] [2021-01-06 23:42:04,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:42:04,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:04,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:42:04,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:42:04,678 INFO L87 Difference]: Start difference. First operand 19868 states and 103363 transitions. Second operand 5 states. [2021-01-06 23:42:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:05,343 INFO L93 Difference]: Finished difference Result 36296 states and 178836 transitions. [2021-01-06 23:42:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:42:05,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-01-06 23:42:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:05,516 INFO L225 Difference]: With dead ends: 36296 [2021-01-06 23:42:05,517 INFO L226 Difference]: Without dead ends: 36280 [2021-01-06 23:42:05,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:06,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36280 states. [2021-01-06 23:42:07,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36280 to 23806. [2021-01-06 23:42:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23806 states. [2021-01-06 23:42:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 125455 transitions. [2021-01-06 23:42:07,583 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 125455 transitions. Word has length 13 [2021-01-06 23:42:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:07,583 INFO L481 AbstractCegarLoop]: Abstraction has 23806 states and 125455 transitions. [2021-01-06 23:42:07,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:42:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 125455 transitions. [2021-01-06 23:42:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:42:07,596 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:07,597 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:07,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-01-06 23:42:07,597 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:07,600 INFO L82 PathProgramCache]: Analyzing trace with hash -875769953, now seen corresponding path program 1 times [2021-01-06 23:42:07,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:07,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099932435] [2021-01-06 23:42:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:07,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099932435] [2021-01-06 23:42:07,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837917156] [2021-01-06 23:42:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:07,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-01-06 23:42:07,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:07,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:07,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:42:07,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101218275] [2021-01-06 23:42:07,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:42:07,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:07,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:42:07,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:42:07,786 INFO L87 Difference]: Start difference. First operand 23806 states and 125455 transitions. Second operand 9 states. [2021-01-06 23:42:08,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:08,783 INFO L93 Difference]: Finished difference Result 56720 states and 262685 transitions. [2021-01-06 23:42:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:08,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2021-01-06 23:42:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:09,088 INFO L225 Difference]: With dead ends: 56720 [2021-01-06 23:42:09,088 INFO L226 Difference]: Without dead ends: 56704 [2021-01-06 23:42:09,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:42:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56704 states. [2021-01-06 23:42:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56704 to 23629. [2021-01-06 23:42:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23629 states. [2021-01-06 23:42:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23629 states to 23629 states and 124418 transitions. [2021-01-06 23:42:11,340 INFO L78 Accepts]: Start accepts. Automaton has 23629 states and 124418 transitions. Word has length 15 [2021-01-06 23:42:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:11,340 INFO L481 AbstractCegarLoop]: Abstraction has 23629 states and 124418 transitions. [2021-01-06 23:42:11,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:42:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 23629 states and 124418 transitions. [2021-01-06 23:42:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 23:42:11,340 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:11,341 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:11,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:11,542 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:11,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:11,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1292632509, now seen corresponding path program 2 times [2021-01-06 23:42:11,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:11,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581600384] [2021-01-06 23:42:11,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:11,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581600384] [2021-01-06 23:42:11,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:11,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:42:11,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149925766] [2021-01-06 23:42:11,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:42:11,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:11,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:42:11,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:11,574 INFO L87 Difference]: Start difference. First operand 23629 states and 124418 transitions. Second operand 7 states. [2021-01-06 23:42:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:12,813 INFO L93 Difference]: Finished difference Result 58078 states and 269185 transitions. [2021-01-06 23:42:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:12,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2021-01-06 23:42:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:13,309 INFO L225 Difference]: With dead ends: 58078 [2021-01-06 23:42:13,309 INFO L226 Difference]: Without dead ends: 58061 [2021-01-06 23:42:13,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:42:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58061 states. [2021-01-06 23:42:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58061 to 23109. [2021-01-06 23:42:15,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23109 states. [2021-01-06 23:42:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23109 states to 23109 states and 121651 transitions. [2021-01-06 23:42:15,932 INFO L78 Accepts]: Start accepts. Automaton has 23109 states and 121651 transitions. Word has length 15 [2021-01-06 23:42:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:15,932 INFO L481 AbstractCegarLoop]: Abstraction has 23109 states and 121651 transitions. [2021-01-06 23:42:15,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:42:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23109 states and 121651 transitions. [2021-01-06 23:42:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 23:42:15,932 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:15,933 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:15,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-01-06 23:42:15,933 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:15,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2019981254, now seen corresponding path program 1 times [2021-01-06 23:42:15,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:15,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704588558] [2021-01-06 23:42:15,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:42:15,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704588558] [2021-01-06 23:42:15,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:15,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:42:15,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412665875] [2021-01-06 23:42:15,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:42:15,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:15,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:42:15,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:42:15,974 INFO L87 Difference]: Start difference. First operand 23109 states and 121651 transitions. Second operand 5 states. [2021-01-06 23:42:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:16,453 INFO L93 Difference]: Finished difference Result 41885 states and 209629 transitions. [2021-01-06 23:42:16,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:42:16,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2021-01-06 23:42:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:17,051 INFO L225 Difference]: With dead ends: 41885 [2021-01-06 23:42:17,051 INFO L226 Difference]: Without dead ends: 41856 [2021-01-06 23:42:17,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2021-01-06 23:42:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 28237. [2021-01-06 23:42:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28237 states. [2021-01-06 23:42:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28237 states to 28237 states and 150261 transitions. [2021-01-06 23:42:19,342 INFO L78 Accepts]: Start accepts. Automaton has 28237 states and 150261 transitions. Word has length 17 [2021-01-06 23:42:19,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:19,342 INFO L481 AbstractCegarLoop]: Abstraction has 28237 states and 150261 transitions. [2021-01-06 23:42:19,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:42:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 28237 states and 150261 transitions. [2021-01-06 23:42:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:42:19,344 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:19,344 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:19,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-01-06 23:42:19,344 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:19,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1034692270, now seen corresponding path program 1 times [2021-01-06 23:42:19,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:19,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775833859] [2021-01-06 23:42:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 23:42:19,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775833859] [2021-01-06 23:42:19,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943365651] [2021-01-06 23:42:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:19,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2021-01-06 23:42:19,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 23:42:19,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:19,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:42:19,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450707319] [2021-01-06 23:42:19,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:42:19,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:19,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:42:19,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:42:19,627 INFO L87 Difference]: Start difference. First operand 28237 states and 150261 transitions. Second operand 9 states. [2021-01-06 23:42:20,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:20,762 INFO L93 Difference]: Finished difference Result 66831 states and 314874 transitions. [2021-01-06 23:42:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:20,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2021-01-06 23:42:20,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:21,089 INFO L225 Difference]: With dead ends: 66831 [2021-01-06 23:42:21,090 INFO L226 Difference]: Without dead ends: 66807 [2021-01-06 23:42:21,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:42:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66807 states. [2021-01-06 23:42:23,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66807 to 28673. [2021-01-06 23:42:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28673 states. [2021-01-06 23:42:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 152375 transitions. [2021-01-06 23:42:23,629 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 152375 transitions. Word has length 19 [2021-01-06 23:42:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:23,630 INFO L481 AbstractCegarLoop]: Abstraction has 28673 states and 152375 transitions. [2021-01-06 23:42:23,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:42:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 152375 transitions. [2021-01-06 23:42:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:42:23,630 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:23,630 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:23,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:23,831 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:23,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:23,832 INFO L82 PathProgramCache]: Analyzing trace with hash -275175806, now seen corresponding path program 1 times [2021-01-06 23:42:23,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:23,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054549785] [2021-01-06 23:42:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054549785] [2021-01-06 23:42:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552463370] [2021-01-06 23:42:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:23,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:42:23,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:24,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:24,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:42:24,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703103577] [2021-01-06 23:42:24,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:42:24,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:24,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:42:24,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:42:24,010 INFO L87 Difference]: Start difference. First operand 28673 states and 152375 transitions. Second operand 9 states. [2021-01-06 23:42:25,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:25,119 INFO L93 Difference]: Finished difference Result 69484 states and 328264 transitions. [2021-01-06 23:42:25,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:25,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2021-01-06 23:42:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:25,407 INFO L225 Difference]: With dead ends: 69484 [2021-01-06 23:42:25,408 INFO L226 Difference]: Without dead ends: 69451 [2021-01-06 23:42:25,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:42:26,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69451 states. [2021-01-06 23:42:28,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69451 to 28873. [2021-01-06 23:42:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28873 states. [2021-01-06 23:42:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28873 states to 28873 states and 153454 transitions. [2021-01-06 23:42:28,535 INFO L78 Accepts]: Start accepts. Automaton has 28873 states and 153454 transitions. Word has length 19 [2021-01-06 23:42:28,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:28,535 INFO L481 AbstractCegarLoop]: Abstraction has 28873 states and 153454 transitions. [2021-01-06 23:42:28,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:42:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 28873 states and 153454 transitions. [2021-01-06 23:42:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:42:28,536 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:28,536 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:28,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:28,737 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 123253022, now seen corresponding path program 2 times [2021-01-06 23:42:28,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:28,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131508921] [2021-01-06 23:42:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:42:28,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131508921] [2021-01-06 23:42:28,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:28,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:42:28,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433119933] [2021-01-06 23:42:28,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:42:28,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:28,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:42:28,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:28,773 INFO L87 Difference]: Start difference. First operand 28873 states and 153454 transitions. Second operand 7 states. [2021-01-06 23:42:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:30,112 INFO L93 Difference]: Finished difference Result 70510 states and 333491 transitions. [2021-01-06 23:42:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:30,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:42:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:30,429 INFO L225 Difference]: With dead ends: 70510 [2021-01-06 23:42:30,429 INFO L226 Difference]: Without dead ends: 70477 [2021-01-06 23:42:30,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:42:31,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70477 states. [2021-01-06 23:42:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70477 to 28942. [2021-01-06 23:42:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28942 states. [2021-01-06 23:42:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28942 states to 28942 states and 153921 transitions. [2021-01-06 23:42:33,077 INFO L78 Accepts]: Start accepts. Automaton has 28942 states and 153921 transitions. Word has length 19 [2021-01-06 23:42:33,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:33,077 INFO L481 AbstractCegarLoop]: Abstraction has 28942 states and 153921 transitions. [2021-01-06 23:42:33,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:42:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 28942 states and 153921 transitions. [2021-01-06 23:42:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 23:42:33,078 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:33,078 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:33,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-01-06 23:42:33,078 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:33,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:33,079 INFO L82 PathProgramCache]: Analyzing trace with hash 123254448, now seen corresponding path program 2 times [2021-01-06 23:42:33,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:33,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919207321] [2021-01-06 23:42:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:42:33,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919207321] [2021-01-06 23:42:33,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:42:33,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:42:33,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761835304] [2021-01-06 23:42:33,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:42:33,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:33,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:42:33,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:42:33,435 INFO L87 Difference]: Start difference. First operand 28942 states and 153921 transitions. Second operand 7 states. [2021-01-06 23:42:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:34,148 INFO L93 Difference]: Finished difference Result 70096 states and 331298 transitions. [2021-01-06 23:42:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:42:34,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-01-06 23:42:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:34,990 INFO L225 Difference]: With dead ends: 70096 [2021-01-06 23:42:34,991 INFO L226 Difference]: Without dead ends: 70063 [2021-01-06 23:42:34,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:42:35,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70063 states. [2021-01-06 23:42:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70063 to 29094. [2021-01-06 23:42:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29094 states. [2021-01-06 23:42:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 154883 transitions. [2021-01-06 23:42:37,638 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 154883 transitions. Word has length 19 [2021-01-06 23:42:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:37,639 INFO L481 AbstractCegarLoop]: Abstraction has 29094 states and 154883 transitions. [2021-01-06 23:42:37,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 23:42:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 154883 transitions. [2021-01-06 23:42:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:42:37,640 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:37,640 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:37,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-01-06 23:42:37,640 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:37,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1694732698, now seen corresponding path program 1 times [2021-01-06 23:42:37,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:37,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839701040] [2021-01-06 23:42:37,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:37,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839701040] [2021-01-06 23:42:37,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012331955] [2021-01-06 23:42:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:37,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:42:37,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 23:42:37,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:37,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:42:37,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511346713] [2021-01-06 23:42:37,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:42:37,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:37,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:42:37,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:42:37,807 INFO L87 Difference]: Start difference. First operand 29094 states and 154883 transitions. Second operand 11 states. [2021-01-06 23:42:39,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:39,904 INFO L93 Difference]: Finished difference Result 100731 states and 448596 transitions. [2021-01-06 23:42:39,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:42:39,913 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:42:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:40,454 INFO L225 Difference]: With dead ends: 100731 [2021-01-06 23:42:40,454 INFO L226 Difference]: Without dead ends: 100715 [2021-01-06 23:42:40,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:42:42,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100715 states. [2021-01-06 23:42:43,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100715 to 28719. [2021-01-06 23:42:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28719 states. [2021-01-06 23:42:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 152760 transitions. [2021-01-06 23:42:44,018 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 152760 transitions. Word has length 21 [2021-01-06 23:42:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:44,018 INFO L481 AbstractCegarLoop]: Abstraction has 28719 states and 152760 transitions. [2021-01-06 23:42:44,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:42:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 152760 transitions. [2021-01-06 23:42:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:42:44,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:44,020 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:44,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-01-06 23:42:44,221 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:44,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:44,222 INFO L82 PathProgramCache]: Analyzing trace with hash 2093161526, now seen corresponding path program 2 times [2021-01-06 23:42:44,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:44,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933764490] [2021-01-06 23:42:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 23:42:44,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933764490] [2021-01-06 23:42:44,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448944983] [2021-01-06 23:42:44,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:44,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-06 23:42:44,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:42:44,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:42:44,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-06 23:42:44,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:44,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:42:44,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205492624] [2021-01-06 23:42:44,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:42:44,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:44,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:42:44,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:42:44,421 INFO L87 Difference]: Start difference. First operand 28719 states and 152760 transitions. Second operand 11 states. [2021-01-06 23:42:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:46,027 INFO L93 Difference]: Finished difference Result 99876 states and 444348 transitions. [2021-01-06 23:42:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:42:46,028 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:42:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:46,999 INFO L225 Difference]: With dead ends: 99876 [2021-01-06 23:42:46,999 INFO L226 Difference]: Without dead ends: 99855 [2021-01-06 23:42:47,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:42:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99855 states. [2021-01-06 23:42:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99855 to 28343. [2021-01-06 23:42:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28343 states. [2021-01-06 23:42:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28343 states to 28343 states and 150639 transitions. [2021-01-06 23:42:50,649 INFO L78 Accepts]: Start accepts. Automaton has 28343 states and 150639 transitions. Word has length 21 [2021-01-06 23:42:50,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:50,652 INFO L481 AbstractCegarLoop]: Abstraction has 28343 states and 150639 transitions. [2021-01-06 23:42:50,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:42:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 28343 states and 150639 transitions. [2021-01-06 23:42:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:42:50,654 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:50,654 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:50,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-01-06 23:42:50,855 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:50,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:50,856 INFO L82 PathProgramCache]: Analyzing trace with hash 395690060, now seen corresponding path program 3 times [2021-01-06 23:42:50,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:50,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567718015] [2021-01-06 23:42:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:50,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567718015] [2021-01-06 23:42:50,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864762063] [2021-01-06 23:42:50,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:51,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-01-06 23:42:51,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:42:51,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-06 23:42:51,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:51,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:51,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:42:51,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148949561] [2021-01-06 23:42:51,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:42:51,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:51,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:42:51,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:42:51,059 INFO L87 Difference]: Start difference. First operand 28343 states and 150639 transitions. Second operand 11 states. [2021-01-06 23:42:52,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:52,689 INFO L93 Difference]: Finished difference Result 100071 states and 445291 transitions. [2021-01-06 23:42:52,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:42:52,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:42:52,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:53,534 INFO L225 Difference]: With dead ends: 100071 [2021-01-06 23:42:53,535 INFO L226 Difference]: Without dead ends: 100055 [2021-01-06 23:42:53,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:42:55,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100055 states. [2021-01-06 23:42:56,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100055 to 27654. [2021-01-06 23:42:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27654 states. [2021-01-06 23:42:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27654 states to 27654 states and 147080 transitions. [2021-01-06 23:42:56,532 INFO L78 Accepts]: Start accepts. Automaton has 27654 states and 147080 transitions. Word has length 21 [2021-01-06 23:42:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:42:56,533 INFO L481 AbstractCegarLoop]: Abstraction has 27654 states and 147080 transitions. [2021-01-06 23:42:56,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:42:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 27654 states and 147080 transitions. [2021-01-06 23:42:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:42:56,534 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:42:56,534 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:42:56,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:56,741 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:42:56,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:42:56,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1844044536, now seen corresponding path program 4 times [2021-01-06 23:42:56,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:42:56,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531811764] [2021-01-06 23:42:56,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:42:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:42:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:56,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531811764] [2021-01-06 23:42:56,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685297589] [2021-01-06 23:42:56,792 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:42:57,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-01-06 23:42:57,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-06 23:42:57,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-06 23:42:57,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:42:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 23:42:57,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:42:57,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-06 23:42:57,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748904425] [2021-01-06 23:42:57,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 23:42:57,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:42:57,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 23:42:57,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-01-06 23:42:57,281 INFO L87 Difference]: Start difference. First operand 27654 states and 147080 transitions. Second operand 11 states. [2021-01-06 23:42:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:42:58,952 INFO L93 Difference]: Finished difference Result 99523 states and 442763 transitions. [2021-01-06 23:42:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:42:58,953 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2021-01-06 23:42:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:42:59,363 INFO L225 Difference]: With dead ends: 99523 [2021-01-06 23:42:59,364 INFO L226 Difference]: Without dead ends: 99502 [2021-01-06 23:42:59,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 23:43:00,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99502 states. [2021-01-06 23:43:02,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99502 to 27278. [2021-01-06 23:43:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27278 states. [2021-01-06 23:43:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27278 states to 27278 states and 144959 transitions. [2021-01-06 23:43:02,984 INFO L78 Accepts]: Start accepts. Automaton has 27278 states and 144959 transitions. Word has length 21 [2021-01-06 23:43:02,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:02,984 INFO L481 AbstractCegarLoop]: Abstraction has 27278 states and 144959 transitions. [2021-01-06 23:43:02,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 23:43:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 27278 states and 144959 transitions. [2021-01-06 23:43:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:43:02,986 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:02,986 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:03,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-01-06 23:43:03,199 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:03,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:03,201 INFO L82 PathProgramCache]: Analyzing trace with hash -24738773, now seen corresponding path program 1 times [2021-01-06 23:43:03,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:03,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745426551] [2021-01-06 23:43:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:43:03,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745426551] [2021-01-06 23:43:03,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:43:03,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 23:43:03,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348366574] [2021-01-06 23:43:03,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 23:43:03,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:03,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 23:43:03,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 23:43:03,241 INFO L87 Difference]: Start difference. First operand 27278 states and 144959 transitions. Second operand 5 states. [2021-01-06 23:43:04,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:04,398 INFO L93 Difference]: Finished difference Result 48996 states and 248701 transitions. [2021-01-06 23:43:04,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 23:43:04,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2021-01-06 23:43:04,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:04,687 INFO L225 Difference]: With dead ends: 48996 [2021-01-06 23:43:04,688 INFO L226 Difference]: Without dead ends: 48950 [2021-01-06 23:43:04,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:43:06,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48950 states. [2021-01-06 23:43:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48950 to 33977. [2021-01-06 23:43:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33977 states. [2021-01-06 23:43:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33977 states to 33977 states and 181757 transitions. [2021-01-06 23:43:07,544 INFO L78 Accepts]: Start accepts. Automaton has 33977 states and 181757 transitions. Word has length 21 [2021-01-06 23:43:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:07,544 INFO L481 AbstractCegarLoop]: Abstraction has 33977 states and 181757 transitions. [2021-01-06 23:43:07,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 23:43:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 33977 states and 181757 transitions. [2021-01-06 23:43:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:43:07,545 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:07,545 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:07,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-01-06 23:43:07,545 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:07,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1812908396, now seen corresponding path program 5 times [2021-01-06 23:43:07,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:07,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740651705] [2021-01-06 23:43:07,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:43:07,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740651705] [2021-01-06 23:43:07,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:43:07,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:43:07,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959094046] [2021-01-06 23:43:07,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:43:07,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:07,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:43:07,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:43:07,594 INFO L87 Difference]: Start difference. First operand 33977 states and 181757 transitions. Second operand 9 states. [2021-01-06 23:43:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:10,013 INFO L93 Difference]: Finished difference Result 115584 states and 523727 transitions. [2021-01-06 23:43:10,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:43:10,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:43:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:10,591 INFO L225 Difference]: With dead ends: 115584 [2021-01-06 23:43:10,592 INFO L226 Difference]: Without dead ends: 115559 [2021-01-06 23:43:10,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:43:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115559 states. [2021-01-06 23:43:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115559 to 33074. [2021-01-06 23:43:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33074 states. [2021-01-06 23:43:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33074 states to 33074 states and 176935 transitions. [2021-01-06 23:43:14,610 INFO L78 Accepts]: Start accepts. Automaton has 33074 states and 176935 transitions. Word has length 21 [2021-01-06 23:43:14,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:14,610 INFO L481 AbstractCegarLoop]: Abstraction has 33074 states and 176935 transitions. [2021-01-06 23:43:14,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:43:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 33074 states and 176935 transitions. [2021-01-06 23:43:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-01-06 23:43:14,611 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:14,611 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:14,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-01-06 23:43:14,612 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:14,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:14,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1811539436, now seen corresponding path program 6 times [2021-01-06 23:43:14,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:14,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123095770] [2021-01-06 23:43:14,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-06 23:43:15,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123095770] [2021-01-06 23:43:15,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:43:15,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 23:43:15,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109059828] [2021-01-06 23:43:15,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:43:15,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:15,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:43:15,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:43:15,078 INFO L87 Difference]: Start difference. First operand 33074 states and 176935 transitions. Second operand 9 states. [2021-01-06 23:43:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:16,893 INFO L93 Difference]: Finished difference Result 114402 states and 517732 transitions. [2021-01-06 23:43:16,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-01-06 23:43:16,894 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-01-06 23:43:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:17,374 INFO L225 Difference]: With dead ends: 114402 [2021-01-06 23:43:17,374 INFO L226 Difference]: Without dead ends: 114371 [2021-01-06 23:43:17,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2021-01-06 23:43:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114371 states. [2021-01-06 23:43:20,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114371 to 31960. [2021-01-06 23:43:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31960 states. [2021-01-06 23:43:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31960 states to 31960 states and 171209 transitions. [2021-01-06 23:43:21,560 INFO L78 Accepts]: Start accepts. Automaton has 31960 states and 171209 transitions. Word has length 21 [2021-01-06 23:43:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:21,560 INFO L481 AbstractCegarLoop]: Abstraction has 31960 states and 171209 transitions. [2021-01-06 23:43:21,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:43:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 31960 states and 171209 transitions. [2021-01-06 23:43:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:43:21,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:21,563 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:21,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-01-06 23:43:21,563 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:21,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1023243965, now seen corresponding path program 1 times [2021-01-06 23:43:21,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:21,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769535369] [2021-01-06 23:43:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:43:21,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769535369] [2021-01-06 23:43:21,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675059653] [2021-01-06 23:43:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:43:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:21,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2021-01-06 23:43:21,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:43:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 23:43:21,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:43:21,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:43:21,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444919912] [2021-01-06 23:43:21,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:43:21,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:21,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:43:21,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:43:21,745 INFO L87 Difference]: Start difference. First operand 31960 states and 171209 transitions. Second operand 9 states. [2021-01-06 23:43:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:22,941 INFO L93 Difference]: Finished difference Result 75380 states and 361389 transitions. [2021-01-06 23:43:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:43:22,941 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2021-01-06 23:43:22,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:23,260 INFO L225 Difference]: With dead ends: 75380 [2021-01-06 23:43:23,261 INFO L226 Difference]: Without dead ends: 75344 [2021-01-06 23:43:23,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:43:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75344 states. [2021-01-06 23:43:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75344 to 32974. [2021-01-06 23:43:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32974 states. [2021-01-06 23:43:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32974 states to 32974 states and 176363 transitions. [2021-01-06 23:43:26,390 INFO L78 Accepts]: Start accepts. Automaton has 32974 states and 176363 transitions. Word has length 23 [2021-01-06 23:43:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:26,391 INFO L481 AbstractCegarLoop]: Abstraction has 32974 states and 176363 transitions. [2021-01-06 23:43:26,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:43:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 32974 states and 176363 transitions. [2021-01-06 23:43:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:43:26,393 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:26,394 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:26,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:43:26,599 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:26,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:26,600 INFO L82 PathProgramCache]: Analyzing trace with hash 92126835, now seen corresponding path program 1 times [2021-01-06 23:43:26,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:26,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623963381] [2021-01-06 23:43:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:43:26,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623963381] [2021-01-06 23:43:26,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449747765] [2021-01-06 23:43:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:43:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-06 23:43:26,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 23:43:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 23:43:26,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 23:43:26,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-06 23:43:26,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859151458] [2021-01-06 23:43:26,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 23:43:26,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:26,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 23:43:26,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-01-06 23:43:26,773 INFO L87 Difference]: Start difference. First operand 32974 states and 176363 transitions. Second operand 9 states. [2021-01-06 23:43:28,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:28,013 INFO L93 Difference]: Finished difference Result 79487 states and 381757 transitions. [2021-01-06 23:43:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:43:28,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2021-01-06 23:43:28,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:28,366 INFO L225 Difference]: With dead ends: 79487 [2021-01-06 23:43:28,366 INFO L226 Difference]: Without dead ends: 79445 [2021-01-06 23:43:28,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-01-06 23:43:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79445 states. [2021-01-06 23:43:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79445 to 33981. [2021-01-06 23:43:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33981 states. [2021-01-06 23:43:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33981 states to 33981 states and 181710 transitions. [2021-01-06 23:43:31,560 INFO L78 Accepts]: Start accepts. Automaton has 33981 states and 181710 transitions. Word has length 23 [2021-01-06 23:43:31,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 23:43:31,561 INFO L481 AbstractCegarLoop]: Abstraction has 33981 states and 181710 transitions. [2021-01-06 23:43:31,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 23:43:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33981 states and 181710 transitions. [2021-01-06 23:43:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-01-06 23:43:31,563 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 23:43:31,563 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 23:43:31,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 23:43:31,764 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 23:43:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 23:43:31,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1995863247, now seen corresponding path program 2 times [2021-01-06 23:43:31,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 23:43:31,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499634247] [2021-01-06 23:43:31,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 23:43:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 23:43:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-01-06 23:43:31,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499634247] [2021-01-06 23:43:31,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 23:43:31,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 23:43:31,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444135877] [2021-01-06 23:43:31,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 23:43:31,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 23:43:31,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 23:43:31,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 23:43:31,801 INFO L87 Difference]: Start difference. First operand 33981 states and 181710 transitions. Second operand 7 states. [2021-01-06 23:43:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 23:43:33,031 INFO L93 Difference]: Finished difference Result 80875 states and 388783 transitions. [2021-01-06 23:43:33,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 23:43:33,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2021-01-06 23:43:33,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 23:43:33,386 INFO L225 Difference]: With dead ends: 80875 [2021-01-06 23:43:33,387 INFO L226 Difference]: Without dead ends: 80820 [2021-01-06 23:43:33,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 23:43:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80820 states.