/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-dcfa08f [2020-12-23 13:47:29,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:47:29,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:47:29,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:47:29,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:47:29,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:47:29,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:47:29,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:47:29,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:47:29,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:47:29,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:47:29,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:47:29,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:47:29,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:47:29,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:47:29,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:47:29,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:47:29,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:47:29,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:47:29,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:47:29,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:47:29,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:47:29,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:47:29,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:47:29,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 13:47:29,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:47:29,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:47:29,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:47:29,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:47:29,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:47:29,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:47:29,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:47:29,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:47:29,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:47:29,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:47:29,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:47:29,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:47:29,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:47:29,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:47:29,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:47:29,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:47:29,632 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:47:29,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:47:29,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:47:29,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:47:29,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:47:29,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:47:29,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:47:29,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:47:29,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:47:29,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:47:29,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:47:29,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:47:29,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:47:29,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:47:29,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:47:29,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:47:29,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:47:29,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:47:29,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:47:29,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:47:29,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:47:29,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:47:30,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:47:30,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:47:30,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:47:30,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:47:30,102 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:47:30,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/fkp2013-2.i [2020-12-23 13:47:30,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7242fa4bc/c1f7e3eb591b4a0c98bad1b011d3b182/FLAG2269d5e52 [2020-12-23 13:47:30,924 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:47:30,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread-lit/fkp2013-2.i [2020-12-23 13:47:30,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7242fa4bc/c1f7e3eb591b4a0c98bad1b011d3b182/FLAG2269d5e52 [2020-12-23 13:47:31,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7242fa4bc/c1f7e3eb591b4a0c98bad1b011d3b182 [2020-12-23 13:47:31,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:47:31,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:47:31,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:47:31,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:47:31,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:47:31,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:47:31" (1/1) ... [2020-12-23 13:47:31,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d581c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:31, skipping insertion in model container [2020-12-23 13:47:31,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:47:31" (1/1) ... [2020-12-23 13:47:31,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:47:31,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:47:31,749 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,] [2020-12-23 13:47:31,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:47:31,801 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:47:31,879 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,] [2020-12-23 13:47:31,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:47:32,020 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:47:32,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32 WrapperNode [2020-12-23 13:47:32,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:47:32,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:47:32,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:47:32,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:47:32,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:47:32,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:47:32,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:47:32,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:47:32,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (1/1) ... [2020-12-23 13:47:32,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:47:32,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:47:32,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:47:32,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:47:32,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (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 [2020-12-23 13:47:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-23 13:47:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-23 13:47:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-23 13:47:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-23 13:47:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:47:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:47:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:47:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:47:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:47:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:47:32,254 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:47:32,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:47:32,692 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 13:47:32,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:47:32 BoogieIcfgContainer [2020-12-23 13:47:32,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:47:32,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:47:32,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:47:32,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:47:32,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:47:31" (1/3) ... [2020-12-23 13:47:32,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fba920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:47:32, skipping insertion in model container [2020-12-23 13:47:32,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:32" (2/3) ... [2020-12-23 13:47:32,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fba920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:47:32, skipping insertion in model container [2020-12-23 13:47:32,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:47:32" (3/3) ... [2020-12-23 13:47:32,709 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-2.i [2020-12-23 13:47:32,721 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:47:32,721 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:47:32,727 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 13:47:32,728 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:47:32,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,776 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,776 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,777 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,797 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,798 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,799 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,799 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,807 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,808 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:32,812 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:47:32,835 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-23 13:47:32,876 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:47:32,876 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:47:32,876 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:47:32,877 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:47:32,877 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:47:32,877 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:47:32,877 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:47:32,877 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:47:32,894 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:47:32,896 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 122 flow [2020-12-23 13:47:32,900 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 122 flow [2020-12-23 13:47:32,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 122 flow [2020-12-23 13:47:32,985 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2020-12-23 13:47:32,986 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-23 13:47:32,997 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. [2020-12-23 13:47:33,000 INFO L116 LiptonReduction]: Number of co-enabled transitions 742 [2020-12-23 13:47:35,311 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-23 13:47:35,547 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-23 13:47:35,920 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:36,066 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:36,356 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:36,479 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:36,482 INFO L131 LiptonReduction]: Checked pairs total: 666 [2020-12-23 13:47:36,482 INFO L133 LiptonReduction]: Total number of compositions: 52 [2020-12-23 13:47:36,489 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-12-23 13:47:36,499 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-12-23 13:47:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-23 13:47:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:47:36,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:36,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:47:36,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-23 13:47:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash 223791, now seen corresponding path program 1 times [2020-12-23 13:47:36,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:36,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611401801] [2020-12-23 13:47:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:36,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611401801] [2020-12-23 13:47:36,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:36,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:47:36,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295138273] [2020-12-23 13:47:36,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:47:36,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:36,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:47:36,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:47:36,757 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-12-23 13:47:36,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:36,782 INFO L93 Difference]: Finished difference Result 40 states and 63 transitions. [2020-12-23 13:47:36,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:47:36,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:47:36,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:36,793 INFO L225 Difference]: With dead ends: 40 [2020-12-23 13:47:36,794 INFO L226 Difference]: Without dead ends: 35 [2020-12-23 13:47:36,795 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 [2020-12-23 13:47:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-23 13:47:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-12-23 13:47:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-23 13:47:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-12-23 13:47:36,833 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-12-23 13:47:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:36,834 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-12-23 13:47:36,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:47:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-12-23 13:47:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 13:47:36,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:36,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:36,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:47:36,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-23 13:47:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash 502714565, now seen corresponding path program 1 times [2020-12-23 13:47:36,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:36,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005925962] [2020-12-23 13:47:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:36,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005925962] [2020-12-23 13:47:36,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:36,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:47:36,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915511854] [2020-12-23 13:47:36,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:47:36,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:36,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:47:36,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:47:36,926 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-12-23 13:47:36,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:36,945 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-12-23 13:47:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:47:36,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-23 13:47:36,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:36,947 INFO L225 Difference]: With dead ends: 26 [2020-12-23 13:47:36,947 INFO L226 Difference]: Without dead ends: 24 [2020-12-23 13:47:36,948 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 [2020-12-23 13:47:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-23 13:47:36,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-23 13:47:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-23 13:47:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-12-23 13:47:36,952 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-12-23 13:47:36,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:36,953 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-12-23 13:47:36,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:47:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-23 13:47:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 13:47:36,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:36,954 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:36,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:47:36,954 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-23 13:47:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:36,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1595735755, now seen corresponding path program 1 times [2020-12-23 13:47:36,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:36,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19162930] [2020-12-23 13:47:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:36,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:37,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:37,035 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:47:37,035 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:47:37,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:47:37,036 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:47:37,037 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-23 13:47:37,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,054 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,055 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,056 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,056 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,063 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:37,070 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:47:37,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-23 13:47:37,072 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:47:37,072 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:47:37,072 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:47:37,072 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:47:37,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:47:37,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:47:37,072 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:47:37,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:47:37,075 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:47:37,075 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 75 transitions, 174 flow [2020-12-23 13:47:37,075 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 75 transitions, 174 flow [2020-12-23 13:47:37,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 75 transitions, 174 flow [2020-12-23 13:47:37,096 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2020-12-23 13:47:37,097 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-23 13:47:37,098 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. [2020-12-23 13:47:37,101 INFO L116 LiptonReduction]: Number of co-enabled transitions 1172 [2020-12-23 13:47:39,045 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:47:39,233 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:47:39,800 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:39,923 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:40,205 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:40,322 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:40,326 INFO L131 LiptonReduction]: Checked pairs total: 1422 [2020-12-23 13:47:40,326 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-12-23 13:47:40,326 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2020-12-23 13:47:40,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-12-23 13:47:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-12-23 13:47:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:47:40,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:40,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:47:40,342 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:40,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:40,343 INFO L82 PathProgramCache]: Analyzing trace with hash 381239, now seen corresponding path program 1 times [2020-12-23 13:47:40,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:40,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455317405] [2020-12-23 13:47:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:40,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455317405] [2020-12-23 13:47:40,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:40,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:47:40,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454100657] [2020-12-23 13:47:40,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:47:40,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:40,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:47:40,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:47:40,434 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-12-23 13:47:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:40,472 INFO L93 Difference]: Finished difference Result 220 states and 513 transitions. [2020-12-23 13:47:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:47:40,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:47:40,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:40,479 INFO L225 Difference]: With dead ends: 220 [2020-12-23 13:47:40,479 INFO L226 Difference]: Without dead ends: 200 [2020-12-23 13:47:40,480 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 [2020-12-23 13:47:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-23 13:47:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 171. [2020-12-23 13:47:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-12-23 13:47:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2020-12-23 13:47:40,512 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2020-12-23 13:47:40,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:40,512 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2020-12-23 13:47:40,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:47:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2020-12-23 13:47:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:47:40,513 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:40,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:40,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:47:40,514 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:40,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:40,515 INFO L82 PathProgramCache]: Analyzing trace with hash 787945052, now seen corresponding path program 1 times [2020-12-23 13:47:40,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:40,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543070408] [2020-12-23 13:47:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:40,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543070408] [2020-12-23 13:47:40,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:40,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:40,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364434207] [2020-12-23 13:47:40,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:40,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:40,585 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2020-12-23 13:47:40,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:40,652 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2020-12-23 13:47:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:40,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 13:47:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:40,655 INFO L225 Difference]: With dead ends: 205 [2020-12-23 13:47:40,656 INFO L226 Difference]: Without dead ends: 201 [2020-12-23 13:47:40,656 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 [2020-12-23 13:47:40,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-12-23 13:47:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2020-12-23 13:47:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 13:47:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2020-12-23 13:47:40,694 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2020-12-23 13:47:40,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:40,697 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2020-12-23 13:47:40,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2020-12-23 13:47:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:47:40,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:40,698 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:40,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:47:40,699 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:40,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:40,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1520790423, now seen corresponding path program 1 times [2020-12-23 13:47:40,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:40,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082332116] [2020-12-23 13:47:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:47:40,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082332116] [2020-12-23 13:47:40,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:40,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:40,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472457929] [2020-12-23 13:47:40,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:40,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:40,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:40,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:40,773 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2020-12-23 13:47:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:40,823 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2020-12-23 13:47:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:40,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:47:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:40,827 INFO L225 Difference]: With dead ends: 189 [2020-12-23 13:47:40,827 INFO L226 Difference]: Without dead ends: 185 [2020-12-23 13:47:40,827 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 [2020-12-23 13:47:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-23 13:47:40,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-12-23 13:47:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-23 13:47:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2020-12-23 13:47:40,843 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2020-12-23 13:47:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:40,844 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2020-12-23 13:47:40,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2020-12-23 13:47:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 13:47:40,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:40,845 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:40,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 13:47:40,846 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:40,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:40,847 INFO L82 PathProgramCache]: Analyzing trace with hash -103140850, now seen corresponding path program 1 times [2020-12-23 13:47:40,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:40,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882593350] [2020-12-23 13:47:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:40,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:40,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:40,942 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:47:40,943 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:47:40,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 13:47:40,946 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:47:40,948 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-23 13:47:40,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,989 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,989 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:40,999 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:47:41,000 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 13:47:41,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:47:41,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:47:41,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:47:41,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:47:41,001 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:47:41,001 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:47:41,001 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:47:41,001 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:47:41,004 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:47:41,004 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 94 transitions, 230 flow [2020-12-23 13:47:41,005 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 94 transitions, 230 flow [2020-12-23 13:47:41,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 94 transitions, 230 flow [2020-12-23 13:47:41,027 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2020-12-23 13:47:41,027 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-12-23 13:47:41,029 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. [2020-12-23 13:47:41,032 INFO L116 LiptonReduction]: Number of co-enabled transitions 1686 [2020-12-23 13:47:43,682 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:47:43,876 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:47:44,434 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:44,550 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:44,826 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:44,967 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:45,065 INFO L131 LiptonReduction]: Checked pairs total: 2522 [2020-12-23 13:47:45,066 INFO L133 LiptonReduction]: Total number of compositions: 88 [2020-12-23 13:47:45,066 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2020-12-23 13:47:45,102 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2020-12-23 13:47:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2020-12-23 13:47:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:47:45,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:45,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:47:45,103 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:45,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:45,104 INFO L82 PathProgramCache]: Analyzing trace with hash 576246, now seen corresponding path program 1 times [2020-12-23 13:47:45,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:45,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062775587] [2020-12-23 13:47:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:45,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062775587] [2020-12-23 13:47:45,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:45,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:47:45,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143128327] [2020-12-23 13:47:45,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:47:45,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:45,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:47:45,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:47:45,135 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2020-12-23 13:47:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:45,166 INFO L93 Difference]: Finished difference Result 744 states and 2211 transitions. [2020-12-23 13:47:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:47:45,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:47:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:45,174 INFO L225 Difference]: With dead ends: 744 [2020-12-23 13:47:45,174 INFO L226 Difference]: Without dead ends: 678 [2020-12-23 13:47:45,175 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 [2020-12-23 13:47:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-12-23 13:47:45,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 559. [2020-12-23 13:47:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-12-23 13:47:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2020-12-23 13:47:45,242 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2020-12-23 13:47:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:45,244 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2020-12-23 13:47:45,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:47:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2020-12-23 13:47:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:47:45,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:45,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:45,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 13:47:45,246 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:45,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash 260447350, now seen corresponding path program 1 times [2020-12-23 13:47:45,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:45,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458036180] [2020-12-23 13:47:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:45,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458036180] [2020-12-23 13:47:45,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:45,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:45,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845449170] [2020-12-23 13:47:45,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:45,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:45,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:45,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:45,335 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2020-12-23 13:47:45,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:45,427 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2020-12-23 13:47:45,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:45,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 13:47:45,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:45,436 INFO L225 Difference]: With dead ends: 817 [2020-12-23 13:47:45,436 INFO L226 Difference]: Without dead ends: 812 [2020-12-23 13:47:45,436 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 [2020-12-23 13:47:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-12-23 13:47:45,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2020-12-23 13:47:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-12-23 13:47:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2020-12-23 13:47:45,465 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2020-12-23 13:47:45,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:45,465 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2020-12-23 13:47:45,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2020-12-23 13:47:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:47:45,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:45,472 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:45,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 13:47:45,472 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:45,473 INFO L82 PathProgramCache]: Analyzing trace with hash 801743293, now seen corresponding path program 1 times [2020-12-23 13:47:45,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:45,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128384578] [2020-12-23 13:47:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:47:45,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128384578] [2020-12-23 13:47:45,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:45,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:45,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262019512] [2020-12-23 13:47:45,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:45,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:45,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:45,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:45,556 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2020-12-23 13:47:45,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:45,640 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2020-12-23 13:47:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:45,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:47:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:45,647 INFO L225 Difference]: With dead ends: 843 [2020-12-23 13:47:45,648 INFO L226 Difference]: Without dead ends: 836 [2020-12-23 13:47:45,648 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 [2020-12-23 13:47:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-23 13:47:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2020-12-23 13:47:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-12-23 13:47:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2020-12-23 13:47:45,675 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2020-12-23 13:47:45,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:45,676 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2020-12-23 13:47:45,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2020-12-23 13:47:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:47:45,677 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:45,677 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:45,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 13:47:45,677 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:45,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:45,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2009511410, now seen corresponding path program 1 times [2020-12-23 13:47:45,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:45,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021312542] [2020-12-23 13:47:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:45,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:45,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021312542] [2020-12-23 13:47:45,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110570573] [2020-12-23 13:47:45,731 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 [2020-12-23 13:47:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:45,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:47:45,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:47:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:45,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:47:45,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:47:45,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069844377] [2020-12-23 13:47:45,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:47:45,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:45,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:47:45,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:47:45,931 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 9 states. [2020-12-23 13:47:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:46,145 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2020-12-23 13:47:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:46,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-23 13:47:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:46,153 INFO L225 Difference]: With dead ends: 1059 [2020-12-23 13:47:46,154 INFO L226 Difference]: Without dead ends: 1052 [2020-12-23 13:47:46,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:47:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-23 13:47:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2020-12-23 13:47:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-12-23 13:47:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2020-12-23 13:47:46,182 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2020-12-23 13:47:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:46,182 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2020-12-23 13:47:46,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:47:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2020-12-23 13:47:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:47:46,183 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:46,183 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:46,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 13:47:46,398 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:46,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:46,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1676141774, now seen corresponding path program 2 times [2020-12-23 13:47:46,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:46,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365705901] [2020-12-23 13:47:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:47:46,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365705901] [2020-12-23 13:47:46,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:46,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:47:46,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766641329] [2020-12-23 13:47:46,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:47:46,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:46,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:47:46,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:47:46,503 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2020-12-23 13:47:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:46,725 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2020-12-23 13:47:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:46,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-23 13:47:46,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:46,734 INFO L225 Difference]: With dead ends: 1053 [2020-12-23 13:47:46,734 INFO L226 Difference]: Without dead ends: 1045 [2020-12-23 13:47:46,735 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 [2020-12-23 13:47:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-12-23 13:47:46,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2020-12-23 13:47:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 13:47:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2020-12-23 13:47:46,770 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2020-12-23 13:47:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:46,770 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2020-12-23 13:47:46,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:47:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2020-12-23 13:47:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 13:47:46,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:46,771 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:46,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 13:47:46,772 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:46,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:46,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2005143773, now seen corresponding path program 1 times [2020-12-23 13:47:46,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:46,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002437394] [2020-12-23 13:47:46,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:46,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002437394] [2020-12-23 13:47:46,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:46,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:46,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790810296] [2020-12-23 13:47:46,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:46,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:46,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:46,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:46,839 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2020-12-23 13:47:46,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:46,911 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2020-12-23 13:47:46,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:46,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-23 13:47:46,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:46,917 INFO L225 Difference]: With dead ends: 736 [2020-12-23 13:47:46,917 INFO L226 Difference]: Without dead ends: 728 [2020-12-23 13:47:46,920 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 [2020-12-23 13:47:46,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-12-23 13:47:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2020-12-23 13:47:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-12-23 13:47:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2020-12-23 13:47:46,945 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2020-12-23 13:47:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:46,946 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2020-12-23 13:47:46,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2020-12-23 13:47:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:47:46,947 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:46,947 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:46,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 13:47:46,948 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:47:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -2034044022, now seen corresponding path program 1 times [2020-12-23 13:47:46,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:46,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201453121] [2020-12-23 13:47:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:46,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:47:46,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:47:47,010 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:47:47,010 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:47:47,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 13:47:47,011 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:47:47,011 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-23 13:47:47,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,042 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,045 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,046 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,047 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,048 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,052 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,059 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,060 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,061 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,065 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,066 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,078 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,078 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,079 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,080 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,080 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,080 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,080 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:47,091 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:47:47,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-23 13:47:47,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:47:47,092 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:47:47,092 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:47:47,092 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:47:47,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:47:47,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:47:47,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:47:47,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:47:47,096 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:47:47,096 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 113 transitions, 290 flow [2020-12-23 13:47:47,096 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 113 transitions, 290 flow [2020-12-23 13:47:47,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 113 transitions, 290 flow [2020-12-23 13:47:47,158 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2020-12-23 13:47:47,158 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-12-23 13:47:47,163 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. [2020-12-23 13:47:47,169 INFO L116 LiptonReduction]: Number of co-enabled transitions 2284 [2020-12-23 13:47:50,829 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:50,959 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:51,249 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:47:51,373 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:47:51,415 INFO L131 LiptonReduction]: Checked pairs total: 3055 [2020-12-23 13:47:51,415 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-12-23 13:47:51,415 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2020-12-23 13:47:51,561 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2020-12-23 13:47:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2020-12-23 13:47:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:47:51,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:51,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:47:51,562 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]=== [2020-12-23 13:47:51,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:51,563 INFO L82 PathProgramCache]: Analyzing trace with hash 813906, now seen corresponding path program 1 times [2020-12-23 13:47:51,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:51,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361695041] [2020-12-23 13:47:51,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:51,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361695041] [2020-12-23 13:47:51,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:51,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:47:51,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665837072] [2020-12-23 13:47:51,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:47:51,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:51,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:47:51,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:47:51,586 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2020-12-23 13:47:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:51,638 INFO L93 Difference]: Finished difference Result 2404 states and 8749 transitions. [2020-12-23 13:47:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:47:51,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:47:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:51,660 INFO L225 Difference]: With dead ends: 2404 [2020-12-23 13:47:51,660 INFO L226 Difference]: Without dead ends: 2192 [2020-12-23 13:47:51,660 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 [2020-12-23 13:47:51,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2020-12-23 13:47:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 1767. [2020-12-23 13:47:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-12-23 13:47:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2020-12-23 13:47:51,771 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2020-12-23 13:47:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:51,771 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2020-12-23 13:47:51,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:47:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2020-12-23 13:47:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:47:51,772 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:51,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:51,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 13:47:51,772 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]=== [2020-12-23 13:47:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:51,773 INFO L82 PathProgramCache]: Analyzing trace with hash -673175145, now seen corresponding path program 1 times [2020-12-23 13:47:51,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:51,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743588268] [2020-12-23 13:47:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:51,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743588268] [2020-12-23 13:47:51,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:51,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:51,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7494883] [2020-12-23 13:47:51,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:51,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:51,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:51,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:51,810 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2020-12-23 13:47:51,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:51,955 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2020-12-23 13:47:51,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:51,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 13:47:51,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:51,983 INFO L225 Difference]: With dead ends: 2905 [2020-12-23 13:47:51,983 INFO L226 Difference]: Without dead ends: 2899 [2020-12-23 13:47:51,984 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 [2020-12-23 13:47:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2020-12-23 13:47:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2020-12-23 13:47:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-12-23 13:47:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2020-12-23 13:47:52,103 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2020-12-23 13:47:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:52,103 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2020-12-23 13:47:52,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2020-12-23 13:47:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:47:52,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:52,104 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:52,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 13:47:52,105 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]=== [2020-12-23 13:47:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:52,105 INFO L82 PathProgramCache]: Analyzing trace with hash 174066754, now seen corresponding path program 1 times [2020-12-23 13:47:52,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:52,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320489952] [2020-12-23 13:47:52,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:47:52,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320489952] [2020-12-23 13:47:52,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:52,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:52,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204997161] [2020-12-23 13:47:52,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:52,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:52,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:52,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:52,146 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2020-12-23 13:47:52,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:52,242 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2020-12-23 13:47:52,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:52,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:47:52,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:52,284 INFO L225 Difference]: With dead ends: 3204 [2020-12-23 13:47:52,285 INFO L226 Difference]: Without dead ends: 3194 [2020-12-23 13:47:52,285 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 [2020-12-23 13:47:52,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-12-23 13:47:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2020-12-23 13:47:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-12-23 13:47:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2020-12-23 13:47:52,422 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2020-12-23 13:47:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:52,424 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2020-12-23 13:47:52,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2020-12-23 13:47:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:47:52,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:52,425 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:52,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 13:47:52,426 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]=== [2020-12-23 13:47:52,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:52,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1012094321, now seen corresponding path program 1 times [2020-12-23 13:47:52,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:52,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132891783] [2020-12-23 13:47:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:52,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132891783] [2020-12-23 13:47:52,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345948252] [2020-12-23 13:47:52,501 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 [2020-12-23 13:47:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:52,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:47:52,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:47:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:47:52,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:47:52,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:47:52,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141683477] [2020-12-23 13:47:52,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:47:52,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:52,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:47:52,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:47:52,689 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 9 states. [2020-12-23 13:47:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:52,936 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2020-12-23 13:47:52,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:52,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-23 13:47:52,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:52,961 INFO L225 Difference]: With dead ends: 4556 [2020-12-23 13:47:52,962 INFO L226 Difference]: Without dead ends: 4546 [2020-12-23 13:47:52,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:47:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2020-12-23 13:47:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2020-12-23 13:47:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-12-23 13:47:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2020-12-23 13:47:53,166 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2020-12-23 13:47:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:53,166 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2020-12-23 13:47:53,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:47:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2020-12-23 13:47:53,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:47:53,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:53,168 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:53,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 13:47:53,382 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]=== [2020-12-23 13:47:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash -225580459, now seen corresponding path program 2 times [2020-12-23 13:47:53,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:53,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604104788] [2020-12-23 13:47:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:47:53,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604104788] [2020-12-23 13:47:53,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:53,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:47:53,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612088002] [2020-12-23 13:47:53,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:47:53,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:53,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:47:53,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:47:53,444 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2020-12-23 13:47:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:53,695 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2020-12-23 13:47:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:53,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-23 13:47:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:53,721 INFO L225 Difference]: With dead ends: 4612 [2020-12-23 13:47:53,721 INFO L226 Difference]: Without dead ends: 4601 [2020-12-23 13:47:53,722 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 [2020-12-23 13:47:53,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-12-23 13:47:53,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2020-12-23 13:47:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-12-23 13:47:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2020-12-23 13:47:53,858 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2020-12-23 13:47:53,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:53,858 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2020-12-23 13:47:53,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:47:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2020-12-23 13:47:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 13:47:53,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:53,859 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:53,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 13:47:53,860 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]=== [2020-12-23 13:47:53,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2145585318, now seen corresponding path program 1 times [2020-12-23 13:47:53,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:53,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070563882] [2020-12-23 13:47:53,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:53,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070563882] [2020-12-23 13:47:53,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:53,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:53,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763665122] [2020-12-23 13:47:53,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:53,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:53,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:53,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:53,923 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2020-12-23 13:47:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:54,026 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2020-12-23 13:47:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:54,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-23 13:47:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:54,042 INFO L225 Difference]: With dead ends: 3265 [2020-12-23 13:47:54,044 INFO L226 Difference]: Without dead ends: 3250 [2020-12-23 13:47:54,044 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 [2020-12-23 13:47:54,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-12-23 13:47:54,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2020-12-23 13:47:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2020-12-23 13:47:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2020-12-23 13:47:54,189 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2020-12-23 13:47:54,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:54,189 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2020-12-23 13:47:54,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2020-12-23 13:47:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:47:54,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:54,191 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:54,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 13:47:54,191 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]=== [2020-12-23 13:47:54,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:54,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1777186931, now seen corresponding path program 1 times [2020-12-23 13:47:54,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:54,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085754973] [2020-12-23 13:47:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:54,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085754973] [2020-12-23 13:47:54,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707447043] [2020-12-23 13:47:54,264 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 [2020-12-23 13:47:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:54,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:47:54,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:47:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:54,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:47:54,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:47:54,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15954272] [2020-12-23 13:47:54,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:47:54,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:54,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:47:54,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:47:54,420 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 9 states. [2020-12-23 13:47:54,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:54,698 INFO L93 Difference]: Finished difference Result 4825 states and 15986 transitions. [2020-12-23 13:47:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:54,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-23 13:47:54,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:54,717 INFO L225 Difference]: With dead ends: 4825 [2020-12-23 13:47:54,717 INFO L226 Difference]: Without dead ends: 4813 [2020-12-23 13:47:54,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:47:54,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-12-23 13:47:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 2305. [2020-12-23 13:47:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-12-23 13:47:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2020-12-23 13:47:54,844 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2020-12-23 13:47:54,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:54,844 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2020-12-23 13:47:54,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:47:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2020-12-23 13:47:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:47:54,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:54,846 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:55,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:47:55,061 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]=== [2020-12-23 13:47:55,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:55,062 INFO L82 PathProgramCache]: Analyzing trace with hash 322011480, now seen corresponding path program 1 times [2020-12-23 13:47:55,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:55,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755820874] [2020-12-23 13:47:55,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:55,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755820874] [2020-12-23 13:47:55,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:55,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:47:55,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343394619] [2020-12-23 13:47:55,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:47:55,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:55,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:47:55,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:47:55,115 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 7 states. [2020-12-23 13:47:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:55,356 INFO L93 Difference]: Finished difference Result 4942 states and 16410 transitions. [2020-12-23 13:47:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:55,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:47:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:55,380 INFO L225 Difference]: With dead ends: 4942 [2020-12-23 13:47:55,380 INFO L226 Difference]: Without dead ends: 4925 [2020-12-23 13:47:55,380 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 [2020-12-23 13:47:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2020-12-23 13:47:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 2299. [2020-12-23 13:47:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-12-23 13:47:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 8782 transitions. [2020-12-23 13:47:55,508 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 8782 transitions. Word has length 19 [2020-12-23 13:47:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:55,508 INFO L481 AbstractCegarLoop]: Abstraction has 2299 states and 8782 transitions. [2020-12-23 13:47:55,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:47:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 8782 transitions. [2020-12-23 13:47:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:47:55,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:55,510 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:55,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 13:47:55,510 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]=== [2020-12-23 13:47:55,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:55,511 INFO L82 PathProgramCache]: Analyzing trace with hash 323182009, now seen corresponding path program 2 times [2020-12-23 13:47:55,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:55,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159935293] [2020-12-23 13:47:55,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:55,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159935293] [2020-12-23 13:47:55,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:55,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:47:55,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22174684] [2020-12-23 13:47:55,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:47:55,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:55,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:47:55,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:47:55,604 INFO L87 Difference]: Start difference. First operand 2299 states and 8782 transitions. Second operand 7 states. [2020-12-23 13:47:55,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:55,857 INFO L93 Difference]: Finished difference Result 4934 states and 16393 transitions. [2020-12-23 13:47:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:55,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:47:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:55,883 INFO L225 Difference]: With dead ends: 4934 [2020-12-23 13:47:55,883 INFO L226 Difference]: Without dead ends: 4917 [2020-12-23 13:47:55,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:47:55,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2020-12-23 13:47:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 2216. [2020-12-23 13:47:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-12-23 13:47:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 8477 transitions. [2020-12-23 13:47:56,016 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 8477 transitions. Word has length 19 [2020-12-23 13:47:56,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:56,016 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 8477 transitions. [2020-12-23 13:47:56,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:47:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 8477 transitions. [2020-12-23 13:47:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:47:56,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:56,018 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:56,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 13:47:56,018 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]=== [2020-12-23 13:47:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash 323172120, now seen corresponding path program 2 times [2020-12-23 13:47:56,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:56,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678490075] [2020-12-23 13:47:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:56,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678490075] [2020-12-23 13:47:56,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:56,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:47:56,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512549296] [2020-12-23 13:47:56,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:47:56,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:56,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:47:56,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:47:56,073 INFO L87 Difference]: Start difference. First operand 2216 states and 8477 transitions. Second operand 7 states. [2020-12-23 13:47:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:56,339 INFO L93 Difference]: Finished difference Result 4774 states and 15828 transitions. [2020-12-23 13:47:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:47:56,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:47:56,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:56,360 INFO L225 Difference]: With dead ends: 4774 [2020-12-23 13:47:56,360 INFO L226 Difference]: Without dead ends: 4757 [2020-12-23 13:47:56,361 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 [2020-12-23 13:47:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2020-12-23 13:47:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 2150. [2020-12-23 13:47:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-12-23 13:47:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8243 transitions. [2020-12-23 13:47:56,481 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8243 transitions. Word has length 19 [2020-12-23 13:47:56,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:56,482 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 8243 transitions. [2020-12-23 13:47:56,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:47:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8243 transitions. [2020-12-23 13:47:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:47:56,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:56,484 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:56,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 13:47:56,484 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]=== [2020-12-23 13:47:56,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:56,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1521520155, now seen corresponding path program 1 times [2020-12-23 13:47:56,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:56,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887168820] [2020-12-23 13:47:56,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:56,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887168820] [2020-12-23 13:47:56,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079576883] [2020-12-23 13:47:56,557 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 [2020-12-23 13:47:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:56,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:47:56,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:47:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:56,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:47:56,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:47:56,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700235810] [2020-12-23 13:47:56,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:47:56,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:56,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:47:56,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:47:56,702 INFO L87 Difference]: Start difference. First operand 2150 states and 8243 transitions. Second operand 11 states. [2020-12-23 13:47:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:57,307 INFO L93 Difference]: Finished difference Result 6025 states and 18746 transitions. [2020-12-23 13:47:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:47:57,308 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-23 13:47:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:57,332 INFO L225 Difference]: With dead ends: 6025 [2020-12-23 13:47:57,333 INFO L226 Difference]: Without dead ends: 6017 [2020-12-23 13:47:57,333 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 [2020-12-23 13:47:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2020-12-23 13:47:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 2117. [2020-12-23 13:47:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2020-12-23 13:47:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 8106 transitions. [2020-12-23 13:47:57,460 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 8106 transitions. Word has length 21 [2020-12-23 13:47:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:57,462 INFO L481 AbstractCegarLoop]: Abstraction has 2117 states and 8106 transitions. [2020-12-23 13:47:57,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:47:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 8106 transitions. [2020-12-23 13:47:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:47:57,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:57,464 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:57,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:47:57,678 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]=== [2020-12-23 13:47:57,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:57,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1520359515, now seen corresponding path program 2 times [2020-12-23 13:47:57,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:57,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351869345] [2020-12-23 13:47:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:57,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351869345] [2020-12-23 13:47:57,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330766219] [2020-12-23 13:47:57,754 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 [2020-12-23 13:47:57,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:47:57,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:47:57,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 13:47:57,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:47:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 13:47:57,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:47:57,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:47:57,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889320613] [2020-12-23 13:47:57,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:47:57,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:57,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:47:57,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:47:57,922 INFO L87 Difference]: Start difference. First operand 2117 states and 8106 transitions. Second operand 11 states. [2020-12-23 13:47:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:58,676 INFO L93 Difference]: Finished difference Result 5914 states and 18384 transitions. [2020-12-23 13:47:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:47:58,677 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-23 13:47:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:58,702 INFO L225 Difference]: With dead ends: 5914 [2020-12-23 13:47:58,703 INFO L226 Difference]: Without dead ends: 5903 [2020-12-23 13:47:58,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:47:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2020-12-23 13:47:58,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 2085. [2020-12-23 13:47:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-12-23 13:47:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2020-12-23 13:47:58,836 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2020-12-23 13:47:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:58,836 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2020-12-23 13:47:58,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:47:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2020-12-23 13:47:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:47:58,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:58,840 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:59,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-23 13:47:59,054 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]=== [2020-12-23 13:47:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:59,055 INFO L82 PathProgramCache]: Analyzing trace with hash 108855779, now seen corresponding path program 1 times [2020-12-23 13:47:59,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:59,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682965123] [2020-12-23 13:47:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:47:59,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682965123] [2020-12-23 13:47:59,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:59,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:47:59,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628330600] [2020-12-23 13:47:59,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:47:59,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:47:59,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:47:59,098 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 5 states. [2020-12-23 13:47:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:47:59,199 INFO L93 Difference]: Finished difference Result 3167 states and 11408 transitions. [2020-12-23 13:47:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:47:59,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-23 13:47:59,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:47:59,214 INFO L225 Difference]: With dead ends: 3167 [2020-12-23 13:47:59,214 INFO L226 Difference]: Without dead ends: 3151 [2020-12-23 13:47:59,215 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 [2020-12-23 13:47:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2020-12-23 13:47:59,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2322. [2020-12-23 13:47:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-12-23 13:47:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 8744 transitions. [2020-12-23 13:47:59,309 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 8744 transitions. Word has length 21 [2020-12-23 13:47:59,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:47:59,309 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 8744 transitions. [2020-12-23 13:47:59,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:47:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 8744 transitions. [2020-12-23 13:47:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:47:59,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:47:59,312 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:47:59,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 13:47:59,312 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]=== [2020-12-23 13:47:59,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:47:59,313 INFO L82 PathProgramCache]: Analyzing trace with hash 223713259, now seen corresponding path program 3 times [2020-12-23 13:47:59,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:47:59,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644961493] [2020-12-23 13:47:59,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:47:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:47:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:47:59,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644961493] [2020-12-23 13:47:59,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:47:59,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:47:59,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043887801] [2020-12-23 13:47:59,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:47:59,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:47:59,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:47:59,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:47:59,384 INFO L87 Difference]: Start difference. First operand 2322 states and 8744 transitions. Second operand 9 states. [2020-12-23 13:48:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:00,111 INFO L93 Difference]: Finished difference Result 6243 states and 19533 transitions. [2020-12-23 13:48:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:00,112 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:00,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:00,137 INFO L225 Difference]: With dead ends: 6243 [2020-12-23 13:48:00,137 INFO L226 Difference]: Without dead ends: 6232 [2020-12-23 13:48:00,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2020-12-23 13:48:00,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 2227. [2020-12-23 13:48:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2020-12-23 13:48:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 8390 transitions. [2020-12-23 13:48:00,302 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 8390 transitions. Word has length 21 [2020-12-23 13:48:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:00,303 INFO L481 AbstractCegarLoop]: Abstraction has 2227 states and 8390 transitions. [2020-12-23 13:48:00,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 8390 transitions. [2020-12-23 13:48:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:00,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:00,306 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:00,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 13:48:00,307 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]=== [2020-12-23 13:48:00,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:00,307 INFO L82 PathProgramCache]: Analyzing trace with hash 215380459, now seen corresponding path program 4 times [2020-12-23 13:48:00,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:00,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852908016] [2020-12-23 13:48:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:00,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852908016] [2020-12-23 13:48:00,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:00,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:00,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221055839] [2020-12-23 13:48:00,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:00,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:00,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:00,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:00,421 INFO L87 Difference]: Start difference. First operand 2227 states and 8390 transitions. Second operand 9 states. [2020-12-23 13:48:01,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:01,042 INFO L93 Difference]: Finished difference Result 6161 states and 19272 transitions. [2020-12-23 13:48:01,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:01,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:01,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:01,065 INFO L225 Difference]: With dead ends: 6161 [2020-12-23 13:48:01,066 INFO L226 Difference]: Without dead ends: 6147 [2020-12-23 13:48:01,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2020-12-23 13:48:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 2183. [2020-12-23 13:48:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-12-23 13:48:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 8210 transitions. [2020-12-23 13:48:01,199 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 8210 transitions. Word has length 21 [2020-12-23 13:48:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:01,200 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 8210 transitions. [2020-12-23 13:48:01,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 8210 transitions. [2020-12-23 13:48:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:01,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:01,202 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:01,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 13:48:01,202 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]=== [2020-12-23 13:48:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1340248939, now seen corresponding path program 5 times [2020-12-23 13:48:01,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:01,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949262446] [2020-12-23 13:48:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:01,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949262446] [2020-12-23 13:48:01,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:01,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:01,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511819349] [2020-12-23 13:48:01,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:01,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:01,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:01,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:01,276 INFO L87 Difference]: Start difference. First operand 2183 states and 8210 transitions. Second operand 9 states. [2020-12-23 13:48:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:01,911 INFO L93 Difference]: Finished difference Result 6150 states and 19247 transitions. [2020-12-23 13:48:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:01,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:01,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:01,938 INFO L225 Difference]: With dead ends: 6150 [2020-12-23 13:48:01,939 INFO L226 Difference]: Without dead ends: 6139 [2020-12-23 13:48:01,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2020-12-23 13:48:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 2096. [2020-12-23 13:48:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-12-23 13:48:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2020-12-23 13:48:02,076 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2020-12-23 13:48:02,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:02,076 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2020-12-23 13:48:02,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2020-12-23 13:48:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:02,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:02,079 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:02,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 13:48:02,079 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]=== [2020-12-23 13:48:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1330755499, now seen corresponding path program 6 times [2020-12-23 13:48:02,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:02,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048660506] [2020-12-23 13:48:02,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:02,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048660506] [2020-12-23 13:48:02,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:02,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:02,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644553531] [2020-12-23 13:48:02,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:02,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:02,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:02,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:02,146 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2020-12-23 13:48:02,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:02,743 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2020-12-23 13:48:02,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:02,743 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:02,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:02,765 INFO L225 Difference]: With dead ends: 6017 [2020-12-23 13:48:02,765 INFO L226 Difference]: Without dead ends: 6002 [2020-12-23 13:48:02,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:02,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-12-23 13:48:02,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2020-12-23 13:48:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-12-23 13:48:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2020-12-23 13:48:02,890 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2020-12-23 13:48:02,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:02,890 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2020-12-23 13:48:02,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:02,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2020-12-23 13:48:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 13:48:02,892 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:02,892 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:02,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 13:48:02,893 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]=== [2020-12-23 13:48:02,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:02,893 INFO L82 PathProgramCache]: Analyzing trace with hash -925668779, now seen corresponding path program 1 times [2020-12-23 13:48:02,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:02,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790702375] [2020-12-23 13:48:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:48:02,904 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:48:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:48:02,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:48:02,923 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:48:02,924 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:48:02,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 13:48:02,924 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:48:02,924 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-12-23 13:48:02,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:02,989 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:48:02,990 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-23 13:48:02,990 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:48:02,990 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:48:02,991 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:48:02,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:48:02,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:48:02,991 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:48:02,991 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:48:02,991 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:48:02,993 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:48:02,993 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 132 transitions, 354 flow [2020-12-23 13:48:02,993 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 132 transitions, 354 flow [2020-12-23 13:48:02,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 132 transitions, 354 flow [2020-12-23 13:48:03,015 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2020-12-23 13:48:03,016 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-12-23 13:48:03,017 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. [2020-12-23 13:48:03,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 2966 [2020-12-23 13:48:06,334 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:48:06,542 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-12-23 13:48:07,646 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:48:07,781 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:48:08,087 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-12-23 13:48:08,230 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:48:08,259 INFO L131 LiptonReduction]: Checked pairs total: 4004 [2020-12-23 13:48:08,259 INFO L133 LiptonReduction]: Total number of compositions: 125 [2020-12-23 13:48:08,259 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2020-12-23 13:48:08,827 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2020-12-23 13:48:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2020-12-23 13:48:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:48:08,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:08,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:48:08,828 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]=== [2020-12-23 13:48:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1085411, now seen corresponding path program 1 times [2020-12-23 13:48:08,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:08,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916514796] [2020-12-23 13:48:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:08,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916514796] [2020-12-23 13:48:08,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:08,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:48:08,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811547585] [2020-12-23 13:48:08,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:48:08,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:08,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:48:08,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:48:08,848 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2020-12-23 13:48:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:08,940 INFO L93 Difference]: Finished difference Result 7560 states and 32651 transitions. [2020-12-23 13:48:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:48:08,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:48:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:08,974 INFO L225 Difference]: With dead ends: 7560 [2020-12-23 13:48:08,974 INFO L226 Difference]: Without dead ends: 6894 [2020-12-23 13:48:08,974 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 [2020-12-23 13:48:09,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2020-12-23 13:48:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5479. [2020-12-23 13:48:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-12-23 13:48:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2020-12-23 13:48:09,286 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2020-12-23 13:48:09,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:09,287 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2020-12-23 13:48:09,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:48:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2020-12-23 13:48:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:48:09,287 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:09,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:09,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-23 13:48:09,288 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]=== [2020-12-23 13:48:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:09,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1034074382, now seen corresponding path program 1 times [2020-12-23 13:48:09,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:09,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892917790] [2020-12-23 13:48:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:09,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892917790] [2020-12-23 13:48:09,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:09,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:09,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227248867] [2020-12-23 13:48:09,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:48:09,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:09,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:48:09,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:09,318 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2020-12-23 13:48:09,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:09,562 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2020-12-23 13:48:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:48:09,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 13:48:09,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:09,599 INFO L225 Difference]: With dead ends: 9673 [2020-12-23 13:48:09,600 INFO L226 Difference]: Without dead ends: 9666 [2020-12-23 13:48:09,600 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 [2020-12-23 13:48:09,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2020-12-23 13:48:10,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2020-12-23 13:48:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2020-12-23 13:48:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2020-12-23 13:48:10,217 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2020-12-23 13:48:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:10,218 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2020-12-23 13:48:10,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:48:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2020-12-23 13:48:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:48:10,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:10,219 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:10,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-23 13:48:10,220 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]=== [2020-12-23 13:48:10,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:10,221 INFO L82 PathProgramCache]: Analyzing trace with hash -906715692, now seen corresponding path program 1 times [2020-12-23 13:48:10,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:10,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363111777] [2020-12-23 13:48:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:10,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363111777] [2020-12-23 13:48:10,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:10,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:10,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623990337] [2020-12-23 13:48:10,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:48:10,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:10,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:48:10,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:10,269 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2020-12-23 13:48:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:10,660 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2020-12-23 13:48:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:48:10,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:48:10,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:10,776 INFO L225 Difference]: With dead ends: 11081 [2020-12-23 13:48:10,777 INFO L226 Difference]: Without dead ends: 11068 [2020-12-23 13:48:10,777 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 [2020-12-23 13:48:10,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2020-12-23 13:48:11,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2020-12-23 13:48:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-12-23 13:48:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2020-12-23 13:48:11,394 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2020-12-23 13:48:11,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:11,395 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2020-12-23 13:48:11,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:48:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2020-12-23 13:48:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:48:11,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:11,396 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:11,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-23 13:48:11,396 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]=== [2020-12-23 13:48:11,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:11,397 INFO L82 PathProgramCache]: Analyzing trace with hash 524589857, now seen corresponding path program 1 times [2020-12-23 13:48:11,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:11,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195374290] [2020-12-23 13:48:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:11,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195374290] [2020-12-23 13:48:11,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:11,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:11,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363623016] [2020-12-23 13:48:11,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:11,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:11,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:11,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:11,451 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 7 states. [2020-12-23 13:48:11,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:11,960 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2020-12-23 13:48:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:11,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-23 13:48:11,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:12,014 INFO L225 Difference]: With dead ends: 16749 [2020-12-23 13:48:12,015 INFO L226 Difference]: Without dead ends: 16736 [2020-12-23 13:48:12,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:48:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2020-12-23 13:48:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2020-12-23 13:48:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2020-12-23 13:48:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2020-12-23 13:48:12,689 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2020-12-23 13:48:12,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:12,690 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2020-12-23 13:48:12,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2020-12-23 13:48:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:48:12,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:12,691 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:12,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-23 13:48:12,691 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]=== [2020-12-23 13:48:12,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:12,691 INFO L82 PathProgramCache]: Analyzing trace with hash 505394657, now seen corresponding path program 2 times [2020-12-23 13:48:12,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:12,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633903044] [2020-12-23 13:48:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:12,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633903044] [2020-12-23 13:48:12,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:12,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:12,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679983976] [2020-12-23 13:48:12,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:12,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:12,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:12,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:12,739 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2020-12-23 13:48:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:13,310 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2020-12-23 13:48:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:13,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-23 13:48:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:13,452 INFO L225 Difference]: With dead ends: 17085 [2020-12-23 13:48:13,453 INFO L226 Difference]: Without dead ends: 17071 [2020-12-23 13:48:13,453 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 [2020-12-23 13:48:13,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2020-12-23 13:48:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2020-12-23 13:48:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2020-12-23 13:48:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2020-12-23 13:48:14,001 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2020-12-23 13:48:14,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:14,001 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2020-12-23 13:48:14,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2020-12-23 13:48:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 13:48:14,003 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:14,003 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:14,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-23 13:48:14,003 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]=== [2020-12-23 13:48:14,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:14,004 INFO L82 PathProgramCache]: Analyzing trace with hash 284508656, now seen corresponding path program 1 times [2020-12-23 13:48:14,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:14,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345936986] [2020-12-23 13:48:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:14,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345936986] [2020-12-23 13:48:14,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:14,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:14,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712184788] [2020-12-23 13:48:14,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:48:14,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:14,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:48:14,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:14,044 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2020-12-23 13:48:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:14,336 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2020-12-23 13:48:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:48:14,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-23 13:48:14,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:14,384 INFO L225 Difference]: With dead ends: 12234 [2020-12-23 13:48:14,384 INFO L226 Difference]: Without dead ends: 12212 [2020-12-23 13:48:14,385 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 [2020-12-23 13:48:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2020-12-23 13:48:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2020-12-23 13:48:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2020-12-23 13:48:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2020-12-23 13:48:15,026 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2020-12-23 13:48:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:15,026 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2020-12-23 13:48:15,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:48:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2020-12-23 13:48:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:48:15,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:15,028 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:15,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-12-23 13:48:15,029 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]=== [2020-12-23 13:48:15,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:15,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1810856700, now seen corresponding path program 1 times [2020-12-23 13:48:15,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:15,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192465281] [2020-12-23 13:48:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:15,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192465281] [2020-12-23 13:48:15,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119930499] [2020-12-23 13:48:15,087 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 [2020-12-23 13:48:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:15,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:48:15,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:15,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:15,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:48:15,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826108142] [2020-12-23 13:48:15,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:15,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:15,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:15,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:15,278 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 9 states. [2020-12-23 13:48:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:15,700 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2020-12-23 13:48:15,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:15,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-23 13:48:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:15,759 INFO L225 Difference]: With dead ends: 19016 [2020-12-23 13:48:15,760 INFO L226 Difference]: Without dead ends: 18998 [2020-12-23 13:48:15,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:48:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2020-12-23 13:48:16,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2020-12-23 13:48:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2020-12-23 13:48:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2020-12-23 13:48:16,267 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2020-12-23 13:48:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:16,268 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2020-12-23 13:48:16,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2020-12-23 13:48:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:48:16,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:16,269 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:16,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-12-23 13:48:16,484 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]=== [2020-12-23 13:48:16,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:16,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1465059752, now seen corresponding path program 2 times [2020-12-23 13:48:16,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:16,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578722731] [2020-12-23 13:48:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:16,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578722731] [2020-12-23 13:48:16,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:16,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:16,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405327010] [2020-12-23 13:48:16,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:16,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:16,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:16,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:16,534 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 7 states. [2020-12-23 13:48:16,773 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-23 13:48:17,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:17,020 INFO L93 Difference]: Finished difference Result 19420 states and 77854 transitions. [2020-12-23 13:48:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:17,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:48:17,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:17,077 INFO L225 Difference]: With dead ends: 19420 [2020-12-23 13:48:17,077 INFO L226 Difference]: Without dead ends: 19395 [2020-12-23 13:48:17,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:48:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2020-12-23 13:48:17,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 8129. [2020-12-23 13:48:17,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8129 states. [2020-12-23 13:48:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8129 states to 8129 states and 37298 transitions. [2020-12-23 13:48:17,605 INFO L78 Accepts]: Start accepts. Automaton has 8129 states and 37298 transitions. Word has length 19 [2020-12-23 13:48:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:17,605 INFO L481 AbstractCegarLoop]: Abstraction has 8129 states and 37298 transitions. [2020-12-23 13:48:17,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 8129 states and 37298 transitions. [2020-12-23 13:48:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:48:17,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:17,606 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:17,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-12-23 13:48:17,607 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]=== [2020-12-23 13:48:17,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:17,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1465079747, now seen corresponding path program 1 times [2020-12-23 13:48:17,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:17,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457229331] [2020-12-23 13:48:17,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:17,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457229331] [2020-12-23 13:48:17,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:17,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:17,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126272321] [2020-12-23 13:48:17,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:17,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:17,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:17,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:17,661 INFO L87 Difference]: Start difference. First operand 8129 states and 37298 transitions. Second operand 7 states. [2020-12-23 13:48:18,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:18,169 INFO L93 Difference]: Finished difference Result 19373 states and 77785 transitions. [2020-12-23 13:48:18,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:18,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:48:18,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:18,246 INFO L225 Difference]: With dead ends: 19373 [2020-12-23 13:48:18,247 INFO L226 Difference]: Without dead ends: 19348 [2020-12-23 13:48:18,247 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 [2020-12-23 13:48:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2020-12-23 13:48:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 8375. [2020-12-23 13:48:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8375 states. [2020-12-23 13:48:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 38394 transitions. [2020-12-23 13:48:18,881 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 38394 transitions. Word has length 19 [2020-12-23 13:48:18,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:18,881 INFO L481 AbstractCegarLoop]: Abstraction has 8375 states and 38394 transitions. [2020-12-23 13:48:18,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 38394 transitions. [2020-12-23 13:48:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:48:18,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:18,883 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:18,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-12-23 13:48:18,883 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]=== [2020-12-23 13:48:18,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:18,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1478025347, now seen corresponding path program 2 times [2020-12-23 13:48:18,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:18,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83644577] [2020-12-23 13:48:18,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:18,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83644577] [2020-12-23 13:48:18,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:18,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:18,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25619553] [2020-12-23 13:48:18,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:18,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:18,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:18,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:18,962 INFO L87 Difference]: Start difference. First operand 8375 states and 38394 transitions. Second operand 7 states. [2020-12-23 13:48:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:19,351 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2020-12-23 13:48:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:19,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-23 13:48:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:19,436 INFO L225 Difference]: With dead ends: 19555 [2020-12-23 13:48:19,436 INFO L226 Difference]: Without dead ends: 19530 [2020-12-23 13:48:19,437 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 [2020-12-23 13:48:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2020-12-23 13:48:20,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2020-12-23 13:48:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2020-12-23 13:48:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2020-12-23 13:48:20,196 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2020-12-23 13:48:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:20,197 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2020-12-23 13:48:20,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2020-12-23 13:48:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:20,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:20,199 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:20,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-12-23 13:48:20,199 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]=== [2020-12-23 13:48:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash -771525039, now seen corresponding path program 1 times [2020-12-23 13:48:20,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:20,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410100012] [2020-12-23 13:48:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:20,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410100012] [2020-12-23 13:48:20,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24177487] [2020-12-23 13:48:20,257 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 [2020-12-23 13:48:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:20,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:48:20,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:20,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:20,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:20,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853100486] [2020-12-23 13:48:20,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:20,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:20,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:20,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:20,427 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 11 states. [2020-12-23 13:48:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:21,338 INFO L93 Difference]: Finished difference Result 26969 states and 101544 transitions. [2020-12-23 13:48:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:21,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-23 13:48:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:21,411 INFO L225 Difference]: With dead ends: 26969 [2020-12-23 13:48:21,411 INFO L226 Difference]: Without dead ends: 26957 [2020-12-23 13:48:21,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:48:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states. [2020-12-23 13:48:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 8208. [2020-12-23 13:48:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2020-12-23 13:48:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 37640 transitions. [2020-12-23 13:48:22,062 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 37640 transitions. Word has length 21 [2020-12-23 13:48:22,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:22,063 INFO L481 AbstractCegarLoop]: Abstraction has 8208 states and 37640 transitions. [2020-12-23 13:48:22,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 37640 transitions. [2020-12-23 13:48:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:22,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:22,065 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:22,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:48:22,276 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]=== [2020-12-23 13:48:22,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:22,277 INFO L82 PathProgramCache]: Analyzing trace with hash -784470639, now seen corresponding path program 2 times [2020-12-23 13:48:22,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:22,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241016173] [2020-12-23 13:48:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:22,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241016173] [2020-12-23 13:48:22,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258502415] [2020-12-23 13:48:22,348 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 [2020-12-23 13:48:22,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:48:22,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:48:22,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-23 13:48:22,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:48:22,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:22,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:22,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30575544] [2020-12-23 13:48:22,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:22,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:22,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:22,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:22,545 INFO L87 Difference]: Start difference. First operand 8208 states and 37640 transitions. Second operand 11 states. [2020-12-23 13:48:23,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:23,608 INFO L93 Difference]: Finished difference Result 26669 states and 100297 transitions. [2020-12-23 13:48:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:23,609 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-23 13:48:23,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:23,688 INFO L225 Difference]: With dead ends: 26669 [2020-12-23 13:48:23,688 INFO L226 Difference]: Without dead ends: 26653 [2020-12-23 13:48:23,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:48:23,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2020-12-23 13:48:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 8091. [2020-12-23 13:48:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8091 states. [2020-12-23 13:48:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 37076 transitions. [2020-12-23 13:48:24,334 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 37076 transitions. Word has length 21 [2020-12-23 13:48:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:24,334 INFO L481 AbstractCegarLoop]: Abstraction has 8091 states and 37076 transitions. [2020-12-23 13:48:24,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 37076 transitions. [2020-12-23 13:48:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:24,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:24,336 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:24,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2020-12-23 13:48:24,546 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]=== [2020-12-23 13:48:24,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:24,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1189643317, now seen corresponding path program 1 times [2020-12-23 13:48:24,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:24,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599264919] [2020-12-23 13:48:24,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:24,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599264919] [2020-12-23 13:48:24,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:24,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:24,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858909559] [2020-12-23 13:48:24,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:48:24,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:24,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:48:24,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:24,580 INFO L87 Difference]: Start difference. First operand 8091 states and 37076 transitions. Second operand 5 states. [2020-12-23 13:48:24,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:24,745 INFO L93 Difference]: Finished difference Result 13786 states and 59914 transitions. [2020-12-23 13:48:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:48:24,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-23 13:48:24,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:24,789 INFO L225 Difference]: With dead ends: 13786 [2020-12-23 13:48:24,789 INFO L226 Difference]: Without dead ends: 13755 [2020-12-23 13:48:24,789 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 [2020-12-23 13:48:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13755 states. [2020-12-23 13:48:25,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13755 to 9719. [2020-12-23 13:48:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9719 states. [2020-12-23 13:48:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 44527 transitions. [2020-12-23 13:48:25,348 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 44527 transitions. Word has length 21 [2020-12-23 13:48:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:25,348 INFO L481 AbstractCegarLoop]: Abstraction has 9719 states and 44527 transitions. [2020-12-23 13:48:25,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:48:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 44527 transitions. [2020-12-23 13:48:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:25,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:25,350 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:25,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-23 13:48:25,351 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]=== [2020-12-23 13:48:25,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:25,351 INFO L82 PathProgramCache]: Analyzing trace with hash 826860197, now seen corresponding path program 3 times [2020-12-23 13:48:25,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:25,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53334248] [2020-12-23 13:48:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:25,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53334248] [2020-12-23 13:48:25,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:25,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:25,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805588732] [2020-12-23 13:48:25,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:25,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:25,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:25,417 INFO L87 Difference]: Start difference. First operand 9719 states and 44527 transitions. Second operand 9 states. [2020-12-23 13:48:26,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:26,090 INFO L93 Difference]: Finished difference Result 29965 states and 114553 transitions. [2020-12-23 13:48:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:26,091 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:26,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:26,180 INFO L225 Difference]: With dead ends: 29965 [2020-12-23 13:48:26,180 INFO L226 Difference]: Without dead ends: 29947 [2020-12-23 13:48:26,181 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 [2020-12-23 13:48:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29947 states. [2020-12-23 13:48:26,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29947 to 9428. [2020-12-23 13:48:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9428 states. [2020-12-23 13:48:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9428 states to 9428 states and 43190 transitions. [2020-12-23 13:48:26,964 INFO L78 Accepts]: Start accepts. Automaton has 9428 states and 43190 transitions. Word has length 21 [2020-12-23 13:48:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:26,964 INFO L481 AbstractCegarLoop]: Abstraction has 9428 states and 43190 transitions. [2020-12-23 13:48:26,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 9428 states and 43190 transitions. [2020-12-23 13:48:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:26,966 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:26,966 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:26,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-23 13:48:26,966 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]=== [2020-12-23 13:48:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:26,967 INFO L82 PathProgramCache]: Analyzing trace with hash 807664997, now seen corresponding path program 4 times [2020-12-23 13:48:26,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:26,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23389684] [2020-12-23 13:48:26,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:27,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23389684] [2020-12-23 13:48:27,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:27,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:27,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960164369] [2020-12-23 13:48:27,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:27,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:27,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:27,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:27,049 INFO L87 Difference]: Start difference. First operand 9428 states and 43190 transitions. Second operand 9 states. [2020-12-23 13:48:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:28,019 INFO L93 Difference]: Finished difference Result 29747 states and 113663 transitions. [2020-12-23 13:48:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:28,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:28,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:28,114 INFO L225 Difference]: With dead ends: 29747 [2020-12-23 13:48:28,114 INFO L226 Difference]: Without dead ends: 29725 [2020-12-23 13:48:28,115 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 [2020-12-23 13:48:28,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29725 states. [2020-12-23 13:48:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29725 to 9263. [2020-12-23 13:48:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9263 states. [2020-12-23 13:48:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9263 states to 9263 states and 42388 transitions. [2020-12-23 13:48:28,837 INFO L78 Accepts]: Start accepts. Automaton has 9263 states and 42388 transitions. Word has length 21 [2020-12-23 13:48:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:28,837 INFO L481 AbstractCegarLoop]: Abstraction has 9263 states and 42388 transitions. [2020-12-23 13:48:28,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 9263 states and 42388 transitions. [2020-12-23 13:48:28,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:28,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:28,839 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:28,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-23 13:48:28,839 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]=== [2020-12-23 13:48:28,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:28,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1258094885, now seen corresponding path program 5 times [2020-12-23 13:48:28,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:28,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888188870] [2020-12-23 13:48:28,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:28,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888188870] [2020-12-23 13:48:28,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:28,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:28,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705092559] [2020-12-23 13:48:28,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:28,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:28,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:28,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:28,902 INFO L87 Difference]: Start difference. First operand 9263 states and 42388 transitions. Second operand 9 states. [2020-12-23 13:48:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:29,867 INFO L93 Difference]: Finished difference Result 29796 states and 113861 transitions. [2020-12-23 13:48:29,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:29,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:29,976 INFO L225 Difference]: With dead ends: 29796 [2020-12-23 13:48:29,976 INFO L226 Difference]: Without dead ends: 29778 [2020-12-23 13:48:29,977 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 [2020-12-23 13:48:30,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29778 states. [2020-12-23 13:48:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29778 to 8964. [2020-12-23 13:48:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8964 states. [2020-12-23 13:48:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8964 states to 8964 states and 41031 transitions. [2020-12-23 13:48:30,698 INFO L78 Accepts]: Start accepts. Automaton has 8964 states and 41031 transitions. Word has length 21 [2020-12-23 13:48:30,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:30,698 INFO L481 AbstractCegarLoop]: Abstraction has 8964 states and 41031 transitions. [2020-12-23 13:48:30,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 8964 states and 41031 transitions. [2020-12-23 13:48:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:48:30,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:30,715 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:30,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-23 13:48:30,717 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]=== [2020-12-23 13:48:30,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:30,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1251845285, now seen corresponding path program 6 times [2020-12-23 13:48:30,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:30,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176270805] [2020-12-23 13:48:30,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:48:30,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176270805] [2020-12-23 13:48:30,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:30,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:30,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887988089] [2020-12-23 13:48:30,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:30,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:30,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:30,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:30,797 INFO L87 Difference]: Start difference. First operand 8964 states and 41031 transitions. Second operand 9 states. [2020-12-23 13:48:31,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:31,582 INFO L93 Difference]: Finished difference Result 29379 states and 112099 transitions. [2020-12-23 13:48:31,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:31,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-23 13:48:31,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:31,680 INFO L225 Difference]: With dead ends: 29379 [2020-12-23 13:48:31,680 INFO L226 Difference]: Without dead ends: 29356 [2020-12-23 13:48:31,681 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 [2020-12-23 13:48:31,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29356 states. [2020-12-23 13:48:32,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29356 to 8573. [2020-12-23 13:48:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2020-12-23 13:48:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2020-12-23 13:48:32,468 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2020-12-23 13:48:32,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:32,468 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2020-12-23 13:48:32,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2020-12-23 13:48:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:32,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:32,471 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:32,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-23 13:48:32,471 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]=== [2020-12-23 13:48:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:32,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1526682601, now seen corresponding path program 1 times [2020-12-23 13:48:32,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:32,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887564717] [2020-12-23 13:48:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:32,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887564717] [2020-12-23 13:48:32,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964534282] [2020-12-23 13:48:32,514 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 [2020-12-23 13:48:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:32,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:48:32,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:32,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:32,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:48:32,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523178626] [2020-12-23 13:48:32,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:32,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:32,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:32,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:32,680 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 9 states. [2020-12-23 13:48:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:33,193 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2020-12-23 13:48:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:33,193 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-12-23 13:48:33,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:33,259 INFO L225 Difference]: With dead ends: 19727 [2020-12-23 13:48:33,259 INFO L226 Difference]: Without dead ends: 19703 [2020-12-23 13:48:33,260 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 [2020-12-23 13:48:33,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2020-12-23 13:48:33,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2020-12-23 13:48:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2020-12-23 13:48:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2020-12-23 13:48:33,637 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2020-12-23 13:48:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:33,637 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2020-12-23 13:48:33,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2020-12-23 13:48:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:33,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:33,641 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:33,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-12-23 13:48:33,852 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]=== [2020-12-23 13:48:33,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:33,853 INFO L82 PathProgramCache]: Analyzing trace with hash 785955677, now seen corresponding path program 2 times [2020-12-23 13:48:33,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:33,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734016292] [2020-12-23 13:48:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:33,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734016292] [2020-12-23 13:48:33,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:33,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:33,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527178756] [2020-12-23 13:48:33,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:33,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:33,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:33,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:33,911 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 7 states. [2020-12-23 13:48:34,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:34,398 INFO L93 Difference]: Finished difference Result 20209 states and 82213 transitions. [2020-12-23 13:48:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:34,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-23 13:48:34,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:34,452 INFO L225 Difference]: With dead ends: 20209 [2020-12-23 13:48:34,452 INFO L226 Difference]: Without dead ends: 20172 [2020-12-23 13:48:34,452 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 [2020-12-23 13:48:34,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20172 states. [2020-12-23 13:48:34,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20172 to 8496. [2020-12-23 13:48:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8496 states. [2020-12-23 13:48:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 38896 transitions. [2020-12-23 13:48:34,834 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 38896 transitions. Word has length 23 [2020-12-23 13:48:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:34,835 INFO L481 AbstractCegarLoop]: Abstraction has 8496 states and 38896 transitions. [2020-12-23 13:48:34,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 38896 transitions. [2020-12-23 13:48:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:34,838 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:34,838 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:34,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-12-23 13:48:34,838 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]=== [2020-12-23 13:48:34,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:34,839 INFO L82 PathProgramCache]: Analyzing trace with hash 785949167, now seen corresponding path program 1 times [2020-12-23 13:48:34,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:34,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80454482] [2020-12-23 13:48:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:34,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80454482] [2020-12-23 13:48:34,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:34,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:34,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782401286] [2020-12-23 13:48:34,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:34,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:34,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:34,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:34,890 INFO L87 Difference]: Start difference. First operand 8496 states and 38896 transitions. Second operand 7 states. [2020-12-23 13:48:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:35,330 INFO L93 Difference]: Finished difference Result 20464 states and 83279 transitions. [2020-12-23 13:48:35,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:35,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-23 13:48:35,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:35,392 INFO L225 Difference]: With dead ends: 20464 [2020-12-23 13:48:35,392 INFO L226 Difference]: Without dead ends: 20427 [2020-12-23 13:48:35,393 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 [2020-12-23 13:48:35,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20427 states. [2020-12-23 13:48:35,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20427 to 8768. [2020-12-23 13:48:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8768 states. [2020-12-23 13:48:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 40121 transitions. [2020-12-23 13:48:35,859 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 40121 transitions. Word has length 23 [2020-12-23 13:48:35,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:35,859 INFO L481 AbstractCegarLoop]: Abstraction has 8768 states and 40121 transitions. [2020-12-23 13:48:35,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 40121 transitions. [2020-12-23 13:48:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:35,862 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:35,862 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:35,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-12-23 13:48:35,863 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]=== [2020-12-23 13:48:35,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:35,863 INFO L82 PathProgramCache]: Analyzing trace with hash 785935682, now seen corresponding path program 1 times [2020-12-23 13:48:35,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:35,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448830072] [2020-12-23 13:48:35,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:35,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448830072] [2020-12-23 13:48:35,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:35,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:35,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635884009] [2020-12-23 13:48:35,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:35,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:35,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:35,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:35,905 INFO L87 Difference]: Start difference. First operand 8768 states and 40121 transitions. Second operand 7 states. [2020-12-23 13:48:36,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:36,312 INFO L93 Difference]: Finished difference Result 20337 states and 82588 transitions. [2020-12-23 13:48:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:36,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-23 13:48:36,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:36,383 INFO L225 Difference]: With dead ends: 20337 [2020-12-23 13:48:36,384 INFO L226 Difference]: Without dead ends: 20300 [2020-12-23 13:48:36,384 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 [2020-12-23 13:48:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20300 states. [2020-12-23 13:48:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20300 to 9144. [2020-12-23 13:48:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9144 states. [2020-12-23 13:48:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9144 states to 9144 states and 41753 transitions. [2020-12-23 13:48:36,772 INFO L78 Accepts]: Start accepts. Automaton has 9144 states and 41753 transitions. Word has length 23 [2020-12-23 13:48:36,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:36,772 INFO L481 AbstractCegarLoop]: Abstraction has 9144 states and 41753 transitions. [2020-12-23 13:48:36,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 9144 states and 41753 transitions. [2020-12-23 13:48:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:36,775 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:36,775 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:36,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-12-23 13:48:36,776 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]=== [2020-12-23 13:48:36,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:36,776 INFO L82 PathProgramCache]: Analyzing trace with hash 792496367, now seen corresponding path program 2 times [2020-12-23 13:48:36,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:36,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684516336] [2020-12-23 13:48:36,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:36,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684516336] [2020-12-23 13:48:36,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:36,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:36,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630282541] [2020-12-23 13:48:36,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:36,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:36,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:36,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:36,821 INFO L87 Difference]: Start difference. First operand 9144 states and 41753 transitions. Second operand 7 states. [2020-12-23 13:48:37,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:37,214 INFO L93 Difference]: Finished difference Result 20461 states and 83108 transitions. [2020-12-23 13:48:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:37,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-23 13:48:37,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:37,271 INFO L225 Difference]: With dead ends: 20461 [2020-12-23 13:48:37,271 INFO L226 Difference]: Without dead ends: 20433 [2020-12-23 13:48:37,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:48:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20433 states. [2020-12-23 13:48:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20433 to 9327. [2020-12-23 13:48:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9327 states. [2020-12-23 13:48:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9327 states to 9327 states and 42562 transitions. [2020-12-23 13:48:37,675 INFO L78 Accepts]: Start accepts. Automaton has 9327 states and 42562 transitions. Word has length 23 [2020-12-23 13:48:37,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:37,676 INFO L481 AbstractCegarLoop]: Abstraction has 9327 states and 42562 transitions. [2020-12-23 13:48:37,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 9327 states and 42562 transitions. [2020-12-23 13:48:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 13:48:37,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:37,679 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:37,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-12-23 13:48:37,679 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]=== [2020-12-23 13:48:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:37,680 INFO L82 PathProgramCache]: Analyzing trace with hash 779537282, now seen corresponding path program 2 times [2020-12-23 13:48:37,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:37,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615723730] [2020-12-23 13:48:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:37,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615723730] [2020-12-23 13:48:37,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:37,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:48:37,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754380951] [2020-12-23 13:48:37,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:48:37,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:37,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:48:37,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:48:37,722 INFO L87 Difference]: Start difference. First operand 9327 states and 42562 transitions. Second operand 7 states. [2020-12-23 13:48:38,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:38,175 INFO L93 Difference]: Finished difference Result 21207 states and 86283 transitions. [2020-12-23 13:48:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:38,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-23 13:48:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:38,265 INFO L225 Difference]: With dead ends: 21207 [2020-12-23 13:48:38,265 INFO L226 Difference]: Without dead ends: 21170 [2020-12-23 13:48:38,266 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 [2020-12-23 13:48:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21170 states. [2020-12-23 13:48:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21170 to 9426. [2020-12-23 13:48:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2020-12-23 13:48:38,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2020-12-23 13:48:38,748 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2020-12-23 13:48:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:38,748 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2020-12-23 13:48:38,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:48:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2020-12-23 13:48:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:38,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:38,754 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:38,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-12-23 13:48:38,754 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]=== [2020-12-23 13:48:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:38,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1736857937, now seen corresponding path program 1 times [2020-12-23 13:48:38,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:38,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592174752] [2020-12-23 13:48:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:38,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592174752] [2020-12-23 13:48:38,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890124303] [2020-12-23 13:48:38,816 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 [2020-12-23 13:48:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:38,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:48:38,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:38,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:38,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:38,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825349581] [2020-12-23 13:48:38,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:38,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:38,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:38,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:38,985 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 11 states. [2020-12-23 13:48:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:39,864 INFO L93 Difference]: Finished difference Result 30087 states and 115517 transitions. [2020-12-23 13:48:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:39,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-23 13:48:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:39,943 INFO L225 Difference]: With dead ends: 30087 [2020-12-23 13:48:39,943 INFO L226 Difference]: Without dead ends: 30067 [2020-12-23 13:48:39,943 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 [2020-12-23 13:48:40,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30067 states. [2020-12-23 13:48:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30067 to 9456. [2020-12-23 13:48:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9456 states. [2020-12-23 13:48:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9456 states to 9456 states and 43124 transitions. [2020-12-23 13:48:40,474 INFO L78 Accepts]: Start accepts. Automaton has 9456 states and 43124 transitions. Word has length 25 [2020-12-23 13:48:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:40,475 INFO L481 AbstractCegarLoop]: Abstraction has 9456 states and 43124 transitions. [2020-12-23 13:48:40,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 9456 states and 43124 transitions. [2020-12-23 13:48:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:40,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:40,479 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:40,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:48:40,683 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]=== [2020-12-23 13:48:40,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:40,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1736844452, now seen corresponding path program 1 times [2020-12-23 13:48:40,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:40,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533270642] [2020-12-23 13:48:40,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:40,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533270642] [2020-12-23 13:48:40,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921621333] [2020-12-23 13:48:40,752 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 [2020-12-23 13:48:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:40,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:48:40,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:40,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:40,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:40,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725431075] [2020-12-23 13:48:40,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:40,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:40,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:40,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:40,931 INFO L87 Difference]: Start difference. First operand 9456 states and 43124 transitions. Second operand 11 states. [2020-12-23 13:48:41,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:41,735 INFO L93 Difference]: Finished difference Result 29743 states and 114176 transitions. [2020-12-23 13:48:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:41,736 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-23 13:48:41,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:41,818 INFO L225 Difference]: With dead ends: 29743 [2020-12-23 13:48:41,818 INFO L226 Difference]: Without dead ends: 29723 [2020-12-23 13:48:41,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:48:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29723 states. [2020-12-23 13:48:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29723 to 9373. [2020-12-23 13:48:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9373 states. [2020-12-23 13:48:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 42689 transitions. [2020-12-23 13:48:42,342 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 42689 transitions. Word has length 25 [2020-12-23 13:48:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:42,342 INFO L481 AbstractCegarLoop]: Abstraction has 9373 states and 42689 transitions. [2020-12-23 13:48:42,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 42689 transitions. [2020-12-23 13:48:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:42,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:42,347 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:42,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2020-12-23 13:48:42,549 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]=== [2020-12-23 13:48:42,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:42,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1743405137, now seen corresponding path program 2 times [2020-12-23 13:48:42,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:42,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429222231] [2020-12-23 13:48:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:42,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429222231] [2020-12-23 13:48:42,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037796657] [2020-12-23 13:48:42,614 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 [2020-12-23 13:48:42,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:48:42,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:48:42,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 13:48:42,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:42,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:42,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:42,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525358126] [2020-12-23 13:48:42,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:42,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:42,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:42,803 INFO L87 Difference]: Start difference. First operand 9373 states and 42689 transitions. Second operand 11 states. [2020-12-23 13:48:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:43,755 INFO L93 Difference]: Finished difference Result 29537 states and 113285 transitions. [2020-12-23 13:48:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:43,756 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-23 13:48:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:43,844 INFO L225 Difference]: With dead ends: 29537 [2020-12-23 13:48:43,844 INFO L226 Difference]: Without dead ends: 29515 [2020-12-23 13:48:43,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:48:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29515 states. [2020-12-23 13:48:44,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29515 to 9260. [2020-12-23 13:48:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9260 states. [2020-12-23 13:48:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9260 states to 9260 states and 42114 transitions. [2020-12-23 13:48:44,439 INFO L78 Accepts]: Start accepts. Automaton has 9260 states and 42114 transitions. Word has length 25 [2020-12-23 13:48:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:44,440 INFO L481 AbstractCegarLoop]: Abstraction has 9260 states and 42114 transitions. [2020-12-23 13:48:44,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 9260 states and 42114 transitions. [2020-12-23 13:48:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:44,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:44,443 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:44,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2020-12-23 13:48:44,650 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]=== [2020-12-23 13:48:44,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:44,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1730446052, now seen corresponding path program 2 times [2020-12-23 13:48:44,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:44,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505257353] [2020-12-23 13:48:44,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:44,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505257353] [2020-12-23 13:48:44,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651135574] [2020-12-23 13:48:44,717 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 [2020-12-23 13:48:44,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:48:44,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:48:44,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 13:48:44,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:48:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 13:48:44,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:48:44,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:48:44,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509126023] [2020-12-23 13:48:44,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:48:44,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:44,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:48:44,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:44,902 INFO L87 Difference]: Start difference. First operand 9260 states and 42114 transitions. Second operand 11 states. [2020-12-23 13:48:45,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:45,706 INFO L93 Difference]: Finished difference Result 29093 states and 111462 transitions. [2020-12-23 13:48:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:45,707 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-12-23 13:48:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:45,798 INFO L225 Difference]: With dead ends: 29093 [2020-12-23 13:48:45,798 INFO L226 Difference]: Without dead ends: 29071 [2020-12-23 13:48:45,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:48:45,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29071 states. [2020-12-23 13:48:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29071 to 9176. [2020-12-23 13:48:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9176 states. [2020-12-23 13:48:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 41695 transitions. [2020-12-23 13:48:46,404 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 41695 transitions. Word has length 25 [2020-12-23 13:48:46,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:46,404 INFO L481 AbstractCegarLoop]: Abstraction has 9176 states and 41695 transitions. [2020-12-23 13:48:46,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:48:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 41695 transitions. [2020-12-23 13:48:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:46,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:46,409 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:46,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2020-12-23 13:48:46,610 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]=== [2020-12-23 13:48:46,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:46,610 INFO L82 PathProgramCache]: Analyzing trace with hash -610816233, now seen corresponding path program 3 times [2020-12-23 13:48:46,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:46,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649551735] [2020-12-23 13:48:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:46,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649551735] [2020-12-23 13:48:46,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:46,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:46,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452667675] [2020-12-23 13:48:46,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:46,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:46,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:46,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:46,688 INFO L87 Difference]: Start difference. First operand 9176 states and 41695 transitions. Second operand 9 states. [2020-12-23 13:48:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:47,575 INFO L93 Difference]: Finished difference Result 29071 states and 111390 transitions. [2020-12-23 13:48:47,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:47,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:47,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:47,663 INFO L225 Difference]: With dead ends: 29071 [2020-12-23 13:48:47,663 INFO L226 Difference]: Without dead ends: 29051 [2020-12-23 13:48:47,663 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 [2020-12-23 13:48:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29051 states. [2020-12-23 13:48:48,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29051 to 8951. [2020-12-23 13:48:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2020-12-23 13:48:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40666 transitions. [2020-12-23 13:48:48,249 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40666 transitions. Word has length 25 [2020-12-23 13:48:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:48,249 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40666 transitions. [2020-12-23 13:48:48,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40666 transitions. [2020-12-23 13:48:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:48,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:48,253 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:48,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-12-23 13:48:48,253 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]=== [2020-12-23 13:48:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash -610829718, now seen corresponding path program 3 times [2020-12-23 13:48:48,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:48,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574346037] [2020-12-23 13:48:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:48,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574346037] [2020-12-23 13:48:48,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:48,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:48,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579617375] [2020-12-23 13:48:48,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:48,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:48,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:48,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:48,323 INFO L87 Difference]: Start difference. First operand 8951 states and 40666 transitions. Second operand 9 states. [2020-12-23 13:48:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:49,232 INFO L93 Difference]: Finished difference Result 28646 states and 109668 transitions. [2020-12-23 13:48:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:49,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:49,310 INFO L225 Difference]: With dead ends: 28646 [2020-12-23 13:48:49,310 INFO L226 Difference]: Without dead ends: 28626 [2020-12-23 13:48:49,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:49,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28626 states. [2020-12-23 13:48:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28626 to 8720. [2020-12-23 13:48:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8720 states. [2020-12-23 13:48:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 39615 transitions. [2020-12-23 13:48:49,826 INFO L78 Accepts]: Start accepts. Automaton has 8720 states and 39615 transitions. Word has length 25 [2020-12-23 13:48:49,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:49,826 INFO L481 AbstractCegarLoop]: Abstraction has 8720 states and 39615 transitions. [2020-12-23 13:48:49,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 8720 states and 39615 transitions. [2020-12-23 13:48:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:49,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:49,830 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:49,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-12-23 13:48:49,831 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]=== [2020-12-23 13:48:49,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:49,831 INFO L82 PathProgramCache]: Analyzing trace with hash -617065833, now seen corresponding path program 4 times [2020-12-23 13:48:49,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:49,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168436442] [2020-12-23 13:48:49,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:49,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168436442] [2020-12-23 13:48:49,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:49,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:49,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940004120] [2020-12-23 13:48:49,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:49,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:49,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:49,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:49,899 INFO L87 Difference]: Start difference. First operand 8720 states and 39615 transitions. Second operand 9 states. [2020-12-23 13:48:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:50,744 INFO L93 Difference]: Finished difference Result 28727 states and 109977 transitions. [2020-12-23 13:48:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:50,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:50,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:50,828 INFO L225 Difference]: With dead ends: 28727 [2020-12-23 13:48:50,829 INFO L226 Difference]: Without dead ends: 28700 [2020-12-23 13:48:50,829 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 [2020-12-23 13:48:51,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28700 states. [2020-12-23 13:48:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28700 to 8616. [2020-12-23 13:48:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8616 states. [2020-12-23 13:48:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8616 states to 8616 states and 39118 transitions. [2020-12-23 13:48:51,386 INFO L78 Accepts]: Start accepts. Automaton has 8616 states and 39118 transitions. Word has length 25 [2020-12-23 13:48:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:51,386 INFO L481 AbstractCegarLoop]: Abstraction has 8616 states and 39118 transitions. [2020-12-23 13:48:51,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8616 states and 39118 transitions. [2020-12-23 13:48:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:51,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:51,390 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:51,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-12-23 13:48:51,390 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]=== [2020-12-23 13:48:51,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:51,390 INFO L82 PathProgramCache]: Analyzing trace with hash -617085828, now seen corresponding path program 1 times [2020-12-23 13:48:51,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:51,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791443986] [2020-12-23 13:48:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:51,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791443986] [2020-12-23 13:48:51,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:51,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:51,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581974492] [2020-12-23 13:48:51,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:51,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:51,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:51,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:51,454 INFO L87 Difference]: Start difference. First operand 8616 states and 39118 transitions. Second operand 9 states. [2020-12-23 13:48:52,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:52,234 INFO L93 Difference]: Finished difference Result 28473 states and 109212 transitions. [2020-12-23 13:48:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:52,235 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:52,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:52,318 INFO L225 Difference]: With dead ends: 28473 [2020-12-23 13:48:52,318 INFO L226 Difference]: Without dead ends: 28453 [2020-12-23 13:48:52,318 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 [2020-12-23 13:48:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28453 states. [2020-12-23 13:48:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28453 to 8610. [2020-12-23 13:48:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2020-12-23 13:48:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39066 transitions. [2020-12-23 13:48:52,865 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39066 transitions. Word has length 25 [2020-12-23 13:48:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:52,865 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39066 transitions. [2020-12-23 13:48:52,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39066 transitions. [2020-12-23 13:48:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:52,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:52,871 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:52,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-12-23 13:48:52,871 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]=== [2020-12-23 13:48:52,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash -630024918, now seen corresponding path program 4 times [2020-12-23 13:48:52,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:52,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583224719] [2020-12-23 13:48:52,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:52,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583224719] [2020-12-23 13:48:52,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:52,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:52,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917963551] [2020-12-23 13:48:52,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:52,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:52,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:52,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:52,941 INFO L87 Difference]: Start difference. First operand 8610 states and 39066 transitions. Second operand 9 states. [2020-12-23 13:48:53,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:53,763 INFO L93 Difference]: Finished difference Result 28142 states and 107635 transitions. [2020-12-23 13:48:53,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:53,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:53,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:53,849 INFO L225 Difference]: With dead ends: 28142 [2020-12-23 13:48:53,850 INFO L226 Difference]: Without dead ends: 28115 [2020-12-23 13:48:53,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:48:54,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28115 states. [2020-12-23 13:48:54,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28115 to 8610. [2020-12-23 13:48:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8610 states. [2020-12-23 13:48:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 39034 transitions. [2020-12-23 13:48:54,314 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 39034 transitions. Word has length 25 [2020-12-23 13:48:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:54,314 INFO L481 AbstractCegarLoop]: Abstraction has 8610 states and 39034 transitions. [2020-12-23 13:48:54,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 39034 transitions. [2020-12-23 13:48:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:54,318 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:54,318 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:54,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-12-23 13:48:54,318 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]=== [2020-12-23 13:48:54,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:54,318 INFO L82 PathProgramCache]: Analyzing trace with hash -630031428, now seen corresponding path program 2 times [2020-12-23 13:48:54,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:54,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190714348] [2020-12-23 13:48:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:54,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190714348] [2020-12-23 13:48:54,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:54,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:54,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282546954] [2020-12-23 13:48:54,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:54,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:54,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:54,379 INFO L87 Difference]: Start difference. First operand 8610 states and 39034 transitions. Second operand 9 states. [2020-12-23 13:48:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:55,086 INFO L93 Difference]: Finished difference Result 27938 states and 107074 transitions. [2020-12-23 13:48:55,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:55,087 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:55,161 INFO L225 Difference]: With dead ends: 27938 [2020-12-23 13:48:55,162 INFO L226 Difference]: Without dead ends: 27911 [2020-12-23 13:48:55,162 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 [2020-12-23 13:48:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27911 states. [2020-12-23 13:48:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27911 to 8553. [2020-12-23 13:48:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8553 states. [2020-12-23 13:48:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8553 states to 8553 states and 38751 transitions. [2020-12-23 13:48:55,617 INFO L78 Accepts]: Start accepts. Automaton has 8553 states and 38751 transitions. Word has length 25 [2020-12-23 13:48:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:55,617 INFO L481 AbstractCegarLoop]: Abstraction has 8553 states and 38751 transitions. [2020-12-23 13:48:55,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8553 states and 38751 transitions. [2020-12-23 13:48:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:55,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:55,621 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:55,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-12-23 13:48:55,621 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]=== [2020-12-23 13:48:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:55,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1755430419, now seen corresponding path program 1 times [2020-12-23 13:48:55,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:55,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141862763] [2020-12-23 13:48:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 13:48:55,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141862763] [2020-12-23 13:48:55,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:55,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:55,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383449761] [2020-12-23 13:48:55,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:48:55,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:55,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:48:55,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:55,653 INFO L87 Difference]: Start difference. First operand 8553 states and 38751 transitions. Second operand 5 states. [2020-12-23 13:48:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:55,841 INFO L93 Difference]: Finished difference Result 13816 states and 60190 transitions. [2020-12-23 13:48:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:48:55,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-23 13:48:55,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:55,889 INFO L225 Difference]: With dead ends: 13816 [2020-12-23 13:48:55,889 INFO L226 Difference]: Without dead ends: 13784 [2020-12-23 13:48:55,889 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 [2020-12-23 13:48:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13784 states. [2020-12-23 13:48:56,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13784 to 10108. [2020-12-23 13:48:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2020-12-23 13:48:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 45481 transitions. [2020-12-23 13:48:56,207 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 45481 transitions. Word has length 25 [2020-12-23 13:48:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:56,207 INFO L481 AbstractCegarLoop]: Abstraction has 10108 states and 45481 transitions. [2020-12-23 13:48:56,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:48:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 45481 transitions. [2020-12-23 13:48:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:56,211 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:56,211 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:56,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-12-23 13:48:56,211 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]=== [2020-12-23 13:48:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:56,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1392622871, now seen corresponding path program 5 times [2020-12-23 13:48:56,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:56,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359302610] [2020-12-23 13:48:56,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:56,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359302610] [2020-12-23 13:48:56,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:56,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:56,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661416492] [2020-12-23 13:48:56,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:56,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:56,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:56,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:56,270 INFO L87 Difference]: Start difference. First operand 10108 states and 45481 transitions. Second operand 9 states. [2020-12-23 13:48:57,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:57,016 INFO L93 Difference]: Finished difference Result 31306 states and 120988 transitions. [2020-12-23 13:48:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:57,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:57,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:57,100 INFO L225 Difference]: With dead ends: 31306 [2020-12-23 13:48:57,100 INFO L226 Difference]: Without dead ends: 31280 [2020-12-23 13:48:57,100 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 [2020-12-23 13:48:57,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31280 states. [2020-12-23 13:48:57,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31280 to 9900. [2020-12-23 13:48:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9900 states. [2020-12-23 13:48:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9900 states to 9900 states and 44494 transitions. [2020-12-23 13:48:57,648 INFO L78 Accepts]: Start accepts. Automaton has 9900 states and 44494 transitions. Word has length 25 [2020-12-23 13:48:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:57,648 INFO L481 AbstractCegarLoop]: Abstraction has 9900 states and 44494 transitions. [2020-12-23 13:48:57,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 9900 states and 44494 transitions. [2020-12-23 13:48:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:57,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:57,652 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:57,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-12-23 13:48:57,652 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]=== [2020-12-23 13:48:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:57,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1379826071, now seen corresponding path program 6 times [2020-12-23 13:48:57,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:57,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845252768] [2020-12-23 13:48:57,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:57,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845252768] [2020-12-23 13:48:57,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:57,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:57,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532016754] [2020-12-23 13:48:57,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:57,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:57,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:57,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:57,713 INFO L87 Difference]: Start difference. First operand 9900 states and 44494 transitions. Second operand 9 states. [2020-12-23 13:48:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:58,538 INFO L93 Difference]: Finished difference Result 30991 states and 119641 transitions. [2020-12-23 13:48:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:58,538 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:58,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:58,621 INFO L225 Difference]: With dead ends: 30991 [2020-12-23 13:48:58,621 INFO L226 Difference]: Without dead ends: 30963 [2020-12-23 13:48:58,622 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 [2020-12-23 13:48:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30963 states. [2020-12-23 13:48:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30963 to 9673. [2020-12-23 13:48:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9673 states. [2020-12-23 13:48:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 43497 transitions. [2020-12-23 13:48:59,159 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 43497 transitions. Word has length 25 [2020-12-23 13:48:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:59,160 INFO L481 AbstractCegarLoop]: Abstraction has 9673 states and 43497 transitions. [2020-12-23 13:48:59,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:48:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 43497 transitions. [2020-12-23 13:48:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:48:59,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:59,164 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:59,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-12-23 13:48:59,164 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]=== [2020-12-23 13:48:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:59,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1379806076, now seen corresponding path program 3 times [2020-12-23 13:48:59,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:59,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831086218] [2020-12-23 13:48:59,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:48:59,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831086218] [2020-12-23 13:48:59,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:59,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:59,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118354940] [2020-12-23 13:48:59,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:48:59,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:59,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:48:59,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:48:59,225 INFO L87 Difference]: Start difference. First operand 9673 states and 43497 transitions. Second operand 9 states. [2020-12-23 13:48:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:59,993 INFO L93 Difference]: Finished difference Result 30892 states and 119477 transitions. [2020-12-23 13:48:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:48:59,993 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:48:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:00,078 INFO L225 Difference]: With dead ends: 30892 [2020-12-23 13:49:00,078 INFO L226 Difference]: Without dead ends: 30866 [2020-12-23 13:49:00,079 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 [2020-12-23 13:49:00,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30866 states. [2020-12-23 13:49:00,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30866 to 9571. [2020-12-23 13:49:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9571 states. [2020-12-23 13:49:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 43015 transitions. [2020-12-23 13:49:00,615 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 43015 transitions. Word has length 25 [2020-12-23 13:49:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:00,615 INFO L481 AbstractCegarLoop]: Abstraction has 9571 states and 43015 transitions. [2020-12-23 13:49:00,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 43015 transitions. [2020-12-23 13:49:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:49:00,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:00,619 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:00,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-12-23 13:49:00,619 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]=== [2020-12-23 13:49:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:00,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1373407676, now seen corresponding path program 4 times [2020-12-23 13:49:00,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:00,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316026215] [2020-12-23 13:49:00,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:49:00,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316026215] [2020-12-23 13:49:00,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:00,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:49:00,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528163410] [2020-12-23 13:49:00,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:00,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:00,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:00,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:00,676 INFO L87 Difference]: Start difference. First operand 9571 states and 43015 transitions. Second operand 9 states. [2020-12-23 13:49:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:01,450 INFO L93 Difference]: Finished difference Result 31203 states and 120737 transitions. [2020-12-23 13:49:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:49:01,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:49:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:01,536 INFO L225 Difference]: With dead ends: 31203 [2020-12-23 13:49:01,536 INFO L226 Difference]: Without dead ends: 31170 [2020-12-23 13:49:01,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:49:01,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31170 states. [2020-12-23 13:49:02,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31170 to 9425. [2020-12-23 13:49:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2020-12-23 13:49:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 42312 transitions. [2020-12-23 13:49:02,064 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 42312 transitions. Word has length 25 [2020-12-23 13:49:02,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:02,064 INFO L481 AbstractCegarLoop]: Abstraction has 9425 states and 42312 transitions. [2020-12-23 13:49:02,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 42312 transitions. [2020-12-23 13:49:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:49:02,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:02,068 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:02,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-12-23 13:49:02,068 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]=== [2020-12-23 13:49:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:02,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1823844074, now seen corresponding path program 5 times [2020-12-23 13:49:02,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:02,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845840552] [2020-12-23 13:49:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:49:02,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845840552] [2020-12-23 13:49:02,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:02,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:49:02,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328928979] [2020-12-23 13:49:02,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:02,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:02,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:02,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:02,129 INFO L87 Difference]: Start difference. First operand 9425 states and 42312 transitions. Second operand 9 states. [2020-12-23 13:49:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:02,927 INFO L93 Difference]: Finished difference Result 30960 states and 119709 transitions. [2020-12-23 13:49:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:49:02,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:49:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:03,011 INFO L225 Difference]: With dead ends: 30960 [2020-12-23 13:49:03,011 INFO L226 Difference]: Without dead ends: 30934 [2020-12-23 13:49:03,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:49:03,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30934 states. [2020-12-23 13:49:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30934 to 9258. [2020-12-23 13:49:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9258 states. [2020-12-23 13:49:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 41545 transitions. [2020-12-23 13:49:03,519 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 41545 transitions. Word has length 25 [2020-12-23 13:49:03,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:03,519 INFO L481 AbstractCegarLoop]: Abstraction has 9258 states and 41545 transitions. [2020-12-23 13:49:03,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 41545 transitions. [2020-12-23 13:49:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:49:03,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:03,522 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:03,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-12-23 13:49:03,522 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]=== [2020-12-23 13:49:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:03,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1811047274, now seen corresponding path program 6 times [2020-12-23 13:49:03,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:03,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428329263] [2020-12-23 13:49:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:49:03,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428329263] [2020-12-23 13:49:03,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:03,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:49:03,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320597066] [2020-12-23 13:49:03,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:03,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:03,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:03,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:03,586 INFO L87 Difference]: Start difference. First operand 9258 states and 41545 transitions. Second operand 9 states. [2020-12-23 13:49:04,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:04,437 INFO L93 Difference]: Finished difference Result 30557 states and 118001 transitions. [2020-12-23 13:49:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:49:04,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:49:04,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:04,520 INFO L225 Difference]: With dead ends: 30557 [2020-12-23 13:49:04,520 INFO L226 Difference]: Without dead ends: 30524 [2020-12-23 13:49:04,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-23 13:49:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30524 states. [2020-12-23 13:49:05,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30524 to 8995. [2020-12-23 13:49:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8995 states. [2020-12-23 13:49:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8995 states to 8995 states and 40406 transitions. [2020-12-23 13:49:05,035 INFO L78 Accepts]: Start accepts. Automaton has 8995 states and 40406 transitions. Word has length 25 [2020-12-23 13:49:05,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:05,035 INFO L481 AbstractCegarLoop]: Abstraction has 8995 states and 40406 transitions. [2020-12-23 13:49:05,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8995 states and 40406 transitions. [2020-12-23 13:49:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:49:05,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:05,039 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:05,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-12-23 13:49:05,044 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]=== [2020-12-23 13:49:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1811040764, now seen corresponding path program 5 times [2020-12-23 13:49:05,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:05,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854554844] [2020-12-23 13:49:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:49:05,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854554844] [2020-12-23 13:49:05,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:05,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:49:05,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365419172] [2020-12-23 13:49:05,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:05,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:05,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:05,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:05,107 INFO L87 Difference]: Start difference. First operand 8995 states and 40406 transitions. Second operand 9 states. [2020-12-23 13:49:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:06,171 INFO L93 Difference]: Finished difference Result 30154 states and 116397 transitions. [2020-12-23 13:49:06,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:49:06,171 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:49:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:06,307 INFO L225 Difference]: With dead ends: 30154 [2020-12-23 13:49:06,307 INFO L226 Difference]: Without dead ends: 30128 [2020-12-23 13:49:06,308 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 [2020-12-23 13:49:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30128 states. [2020-12-23 13:49:07,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30128 to 8901. [2020-12-23 13:49:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2020-12-23 13:49:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 39944 transitions. [2020-12-23 13:49:07,089 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 39944 transitions. Word has length 25 [2020-12-23 13:49:07,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:07,090 INFO L481 AbstractCegarLoop]: Abstraction has 8901 states and 39944 transitions. [2020-12-23 13:49:07,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 39944 transitions. [2020-12-23 13:49:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:49:07,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:07,093 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:07,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-12-23 13:49:07,093 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]=== [2020-12-23 13:49:07,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:07,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1817587964, now seen corresponding path program 6 times [2020-12-23 13:49:07,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:07,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430992472] [2020-12-23 13:49:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 13:49:07,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430992472] [2020-12-23 13:49:07,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:07,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:49:07,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929190742] [2020-12-23 13:49:07,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:07,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:07,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:07,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:07,157 INFO L87 Difference]: Start difference. First operand 8901 states and 39944 transitions. Second operand 9 states. [2020-12-23 13:49:07,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:07,919 INFO L93 Difference]: Finished difference Result 29876 states and 115200 transitions. [2020-12-23 13:49:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-23 13:49:07,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-23 13:49:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:08,044 INFO L225 Difference]: With dead ends: 29876 [2020-12-23 13:49:08,044 INFO L226 Difference]: Without dead ends: 29843 [2020-12-23 13:49:08,045 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 [2020-12-23 13:49:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29843 states. [2020-12-23 13:49:08,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29843 to 8560. [2020-12-23 13:49:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2020-12-23 13:49:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2020-12-23 13:49:08,700 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2020-12-23 13:49:08,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:08,700 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2020-12-23 13:49:08,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2020-12-23 13:49:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 13:49:08,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:08,705 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:08,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-12-23 13:49:08,705 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]=== [2020-12-23 13:49:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:08,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1421958701, now seen corresponding path program 1 times [2020-12-23 13:49:08,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:08,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35881038] [2020-12-23 13:49:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:49:08,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:49:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:49:08,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:49:08,730 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:49:08,731 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:49:08,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-12-23 13:49:08,731 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-23 13:49:08,731 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,756 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,759 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,762 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,763 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,764 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,770 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,771 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,781 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,781 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,782 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,782 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,783 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,783 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,783 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,783 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,784 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,785 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,785 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,785 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,785 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,785 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,787 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,788 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,789 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,790 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,792 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:49:08,803 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-23 13:49:08,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-23 13:49:08,804 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:49:08,804 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:49:08,804 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:49:08,804 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:49:08,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:49:08,804 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:49:08,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:49:08,804 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:49:08,805 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:49:08,805 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 151 transitions, 422 flow [2020-12-23 13:49:08,806 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 151 transitions, 422 flow [2020-12-23 13:49:08,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 151 transitions, 422 flow [2020-12-23 13:49:08,829 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2020-12-23 13:49:08,830 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-12-23 13:49:08,832 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. [2020-12-23 13:49:08,838 INFO L116 LiptonReduction]: Number of co-enabled transitions 3732 [2020-12-23 13:49:09,109 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-23 13:49:11,591 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-23 13:49:11,770 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-23 13:49:13,521 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-12-23 13:49:13,648 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:49:13,926 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-12-23 13:49:14,050 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 13:49:14,195 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:49:14,328 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:49:14,456 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:49:14,581 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 13:49:14,587 INFO L131 LiptonReduction]: Checked pairs total: 6259 [2020-12-23 13:49:14,587 INFO L133 LiptonReduction]: Total number of compositions: 142 [2020-12-23 13:49:14,587 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2020-12-23 13:49:16,355 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2020-12-23 13:49:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2020-12-23 13:49:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 13:49:16,356 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:16,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 13:49:16,356 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]=== [2020-12-23 13:49:16,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:16,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1398522, now seen corresponding path program 1 times [2020-12-23 13:49:16,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:16,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269500823] [2020-12-23 13:49:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:16,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269500823] [2020-12-23 13:49:16,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:16,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-23 13:49:16,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758601037] [2020-12-23 13:49:16,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:49:16,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:16,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:49:16,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:49:16,370 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2020-12-23 13:49:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:16,713 INFO L93 Difference]: Finished difference Result 23380 states and 116957 transitions. [2020-12-23 13:49:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:49:16,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 13:49:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:16,811 INFO L225 Difference]: With dead ends: 23380 [2020-12-23 13:49:16,811 INFO L226 Difference]: Without dead ends: 21320 [2020-12-23 13:49:16,812 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 [2020-12-23 13:49:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21320 states. [2020-12-23 13:49:17,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21320 to 16791. [2020-12-23 13:49:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2020-12-23 13:49:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2020-12-23 13:49:18,027 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2020-12-23 13:49:18,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:18,027 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2020-12-23 13:49:18,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:49:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2020-12-23 13:49:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:49:18,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:18,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:18,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-12-23 13:49:18,028 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]=== [2020-12-23 13:49:18,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:18,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2143783924, now seen corresponding path program 1 times [2020-12-23 13:49:18,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:18,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528300811] [2020-12-23 13:49:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:18,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528300811] [2020-12-23 13:49:18,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:18,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:49:18,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157719247] [2020-12-23 13:49:18,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:49:18,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:18,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:49:18,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:49:18,059 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states. [2020-12-23 13:49:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:18,667 INFO L93 Difference]: Finished difference Result 30985 states and 150574 transitions. [2020-12-23 13:49:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:49:18,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-23 13:49:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:18,784 INFO L225 Difference]: With dead ends: 30985 [2020-12-23 13:49:18,785 INFO L226 Difference]: Without dead ends: 30977 [2020-12-23 13:49:18,785 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 [2020-12-23 13:49:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30977 states. [2020-12-23 13:49:20,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30977 to 19868. [2020-12-23 13:49:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19868 states. [2020-12-23 13:49:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19868 states to 19868 states and 103363 transitions. [2020-12-23 13:49:20,541 INFO L78 Accepts]: Start accepts. Automaton has 19868 states and 103363 transitions. Word has length 9 [2020-12-23 13:49:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:20,541 INFO L481 AbstractCegarLoop]: Abstraction has 19868 states and 103363 transitions. [2020-12-23 13:49:20,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:49:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 19868 states and 103363 transitions. [2020-12-23 13:49:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:49:20,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:20,542 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:20,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-12-23 13:49:20,542 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]=== [2020-12-23 13:49:20,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:20,543 INFO L82 PathProgramCache]: Analyzing trace with hash 130953863, now seen corresponding path program 1 times [2020-12-23 13:49:20,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:20,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997568537] [2020-12-23 13:49:20,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:49:20,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997568537] [2020-12-23 13:49:20,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:20,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:49:20,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074171469] [2020-12-23 13:49:20,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:49:20,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:20,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:49:20,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:49:20,570 INFO L87 Difference]: Start difference. First operand 19868 states and 103363 transitions. Second operand 5 states. [2020-12-23 13:49:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:20,877 INFO L93 Difference]: Finished difference Result 36296 states and 178836 transitions. [2020-12-23 13:49:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:49:20,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-23 13:49:20,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:21,418 INFO L225 Difference]: With dead ends: 36296 [2020-12-23 13:49:21,418 INFO L226 Difference]: Without dead ends: 36280 [2020-12-23 13:49:21,418 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 [2020-12-23 13:49:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36280 states. [2020-12-23 13:49:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36280 to 23806. [2020-12-23 13:49:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23806 states. [2020-12-23 13:49:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 125455 transitions. [2020-12-23 13:49:23,434 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 125455 transitions. Word has length 13 [2020-12-23 13:49:23,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:23,435 INFO L481 AbstractCegarLoop]: Abstraction has 23806 states and 125455 transitions. [2020-12-23 13:49:23,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:49:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 125455 transitions. [2020-12-23 13:49:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:49:23,437 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:23,437 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:23,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-12-23 13:49:23,437 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]=== [2020-12-23 13:49:23,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:23,439 INFO L82 PathProgramCache]: Analyzing trace with hash -875769953, now seen corresponding path program 1 times [2020-12-23 13:49:23,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:23,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625669934] [2020-12-23 13:49:23,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:23,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625669934] [2020-12-23 13:49:23,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520226546] [2020-12-23 13:49:23,499 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 [2020-12-23 13:49:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:23,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-23 13:49:23,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:49:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:23,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:49:23,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:49:23,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409457480] [2020-12-23 13:49:23,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:23,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:23,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:23,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:23,706 INFO L87 Difference]: Start difference. First operand 23806 states and 125455 transitions. Second operand 9 states. [2020-12-23 13:49:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:24,372 INFO L93 Difference]: Finished difference Result 56720 states and 262685 transitions. [2020-12-23 13:49:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:49:24,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-23 13:49:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:25,157 INFO L225 Difference]: With dead ends: 56720 [2020-12-23 13:49:25,157 INFO L226 Difference]: Without dead ends: 56704 [2020-12-23 13:49:25,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:49:26,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56704 states. [2020-12-23 13:49:27,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56704 to 23629. [2020-12-23 13:49:27,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23629 states. [2020-12-23 13:49:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23629 states to 23629 states and 124418 transitions. [2020-12-23 13:49:27,426 INFO L78 Accepts]: Start accepts. Automaton has 23629 states and 124418 transitions. Word has length 15 [2020-12-23 13:49:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:27,426 INFO L481 AbstractCegarLoop]: Abstraction has 23629 states and 124418 transitions. [2020-12-23 13:49:27,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:49:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 23629 states and 124418 transitions. [2020-12-23 13:49:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:49:27,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:27,427 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:27,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:49:27,643 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]=== [2020-12-23 13:49:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1292632509, now seen corresponding path program 2 times [2020-12-23 13:49:27,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:27,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962829434] [2020-12-23 13:49:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:49:27,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962829434] [2020-12-23 13:49:27,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:27,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:49:27,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860046523] [2020-12-23 13:49:27,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:49:27,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:27,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:49:27,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:49:27,685 INFO L87 Difference]: Start difference. First operand 23629 states and 124418 transitions. Second operand 7 states. [2020-12-23 13:49:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:28,791 INFO L93 Difference]: Finished difference Result 58078 states and 269185 transitions. [2020-12-23 13:49:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:49:28,792 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-23 13:49:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:29,085 INFO L225 Difference]: With dead ends: 58078 [2020-12-23 13:49:29,085 INFO L226 Difference]: Without dead ends: 58061 [2020-12-23 13:49:29,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:49:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58061 states. [2020-12-23 13:49:31,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58061 to 23109. [2020-12-23 13:49:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23109 states. [2020-12-23 13:49:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23109 states to 23109 states and 121651 transitions. [2020-12-23 13:49:31,566 INFO L78 Accepts]: Start accepts. Automaton has 23109 states and 121651 transitions. Word has length 15 [2020-12-23 13:49:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:31,566 INFO L481 AbstractCegarLoop]: Abstraction has 23109 states and 121651 transitions. [2020-12-23 13:49:31,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:49:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 23109 states and 121651 transitions. [2020-12-23 13:49:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 13:49:31,567 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:31,567 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:31,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-12-23 13:49:31,567 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]=== [2020-12-23 13:49:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash -2019981254, now seen corresponding path program 1 times [2020-12-23 13:49:31,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:31,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030635768] [2020-12-23 13:49:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 13:49:31,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030635768] [2020-12-23 13:49:31,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:31,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:49:31,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268787954] [2020-12-23 13:49:31,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:49:31,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:31,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:49:31,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:49:31,595 INFO L87 Difference]: Start difference. First operand 23109 states and 121651 transitions. Second operand 5 states. [2020-12-23 13:49:32,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:32,652 INFO L93 Difference]: Finished difference Result 41885 states and 209629 transitions. [2020-12-23 13:49:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:49:32,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-23 13:49:32,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:32,825 INFO L225 Difference]: With dead ends: 41885 [2020-12-23 13:49:32,825 INFO L226 Difference]: Without dead ends: 41856 [2020-12-23 13:49:32,825 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 [2020-12-23 13:49:34,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2020-12-23 13:49:35,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 28237. [2020-12-23 13:49:35,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28237 states. [2020-12-23 13:49:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28237 states to 28237 states and 150261 transitions. [2020-12-23 13:49:35,230 INFO L78 Accepts]: Start accepts. Automaton has 28237 states and 150261 transitions. Word has length 17 [2020-12-23 13:49:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:35,230 INFO L481 AbstractCegarLoop]: Abstraction has 28237 states and 150261 transitions. [2020-12-23 13:49:35,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:49:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 28237 states and 150261 transitions. [2020-12-23 13:49:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:49:35,231 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:35,231 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:35,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-12-23 13:49:35,231 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]=== [2020-12-23 13:49:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1034692270, now seen corresponding path program 1 times [2020-12-23 13:49:35,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:35,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124829369] [2020-12-23 13:49:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:49:35,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124829369] [2020-12-23 13:49:35,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995142106] [2020-12-23 13:49:35,284 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 [2020-12-23 13:49:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:35,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-23 13:49:35,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:49:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:49:35,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:49:35,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 13:49:35,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912129789] [2020-12-23 13:49:35,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:49:35,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:35,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:49:35,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:49:35,471 INFO L87 Difference]: Start difference. First operand 28237 states and 150261 transitions. Second operand 9 states. [2020-12-23 13:49:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:36,710 INFO L93 Difference]: Finished difference Result 66831 states and 314874 transitions. [2020-12-23 13:49:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:49:36,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-12-23 13:49:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:36,971 INFO L225 Difference]: With dead ends: 66831 [2020-12-23 13:49:36,972 INFO L226 Difference]: Without dead ends: 66807 [2020-12-23 13:49:36,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:49:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66807 states.