/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-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:23:49,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:23:49,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:23:49,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:23:49,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:23:49,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:23:49,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:23:49,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:23:49,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:23:49,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:23:49,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:23:49,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:23:49,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:23:49,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:23:49,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:23:49,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:23:49,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:23:49,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:23:49,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:23:49,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:23:49,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:23:49,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:23:49,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:23:49,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:23:49,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 11:23:49,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:23:49,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:23:49,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:23:49,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:23:49,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:23:49,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:23:49,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:23:49,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:23:49,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:23:49,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:23:49,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:23:49,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:23:49,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:23:49,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:23:49,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:23:49,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:23:49,327 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:23:49,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:23:49,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:23:49,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:23:49,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:23:49,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:23:49,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:23:49,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:23:49,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:23:49,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:23:49,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:23:49,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:23:49,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:23:49,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:23:49,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:23:49,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:23:49,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:23:49,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:23:49,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:23:49,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:23:49,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:23:49,333 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:23:49,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:23:49,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:23:49,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:23:49,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:23:49,804 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:23:49,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2020-12-22 11:23:49,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd8ee796/e8fe50abfea643a0bb1ea42dc4e20df1/FLAG7494732fa [2020-12-22 11:23:50,579 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:23:50,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2020-12-22 11:23:50,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd8ee796/e8fe50abfea643a0bb1ea42dc4e20df1/FLAG7494732fa [2020-12-22 11:23:50,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd8ee796/e8fe50abfea643a0bb1ea42dc4e20df1 [2020-12-22 11:23:50,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:23:50,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:23:50,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:23:50,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:23:50,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:23:50,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:23:50" (1/1) ... [2020-12-22 11:23:50,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fa0cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:50, skipping insertion in model container [2020-12-22 11:23:50,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:23:50" (1/1) ... [2020-12-22 11:23:50,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:23:50,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:23:51,415 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i[30035,30048] [2020-12-22 11:23:51,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:23:51,445 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:23:51,488 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i[30035,30048] [2020-12-22 11:23:51,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:23:51,636 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:23:51,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51 WrapperNode [2020-12-22 11:23:51,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:23:51,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:23:51,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:23:51,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:23:51,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:23:51,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:23:51,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:23:51,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:23:51,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... [2020-12-22 11:23:51,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:23:51,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:23:51,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:23:51,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:23:51,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:23:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-12-22 11:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-12-22 11:23:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-22 11:23:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-22 11:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:23:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:23:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:23:51,938 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-22 11:23:52,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:23:52,375 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-22 11:23:52,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:23:52 BoogieIcfgContainer [2020-12-22 11:23:52,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:23:52,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:23:52,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:23:52,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:23:52,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:23:50" (1/3) ... [2020-12-22 11:23:52,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc03849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:23:52, skipping insertion in model container [2020-12-22 11:23:52,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:23:51" (2/3) ... [2020-12-22 11:23:52,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc03849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:23:52, skipping insertion in model container [2020-12-22 11:23:52,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:23:52" (3/3) ... [2020-12-22 11:23:52,387 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2020-12-22 11:23:52,395 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-22 11:23:52,395 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:23:52,401 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 11:23:52,402 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-22 11:23:52,443 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,444 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,445 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,445 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,446 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,457 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,457 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:52,468 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:23:52,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-22 11:23:52,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:23:52,517 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:23:52,517 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:23:52,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:23:52,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:23:52,518 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:23:52,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:23:52,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:23:52,535 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:23:52,538 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 63 transitions, 136 flow [2020-12-22 11:23:52,543 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 63 transitions, 136 flow [2020-12-22 11:23:52,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 136 flow [2020-12-22 11:23:52,600 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2020-12-22 11:23:52,600 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-22 11:23:52,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 73 events. 4/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2020-12-22 11:23:52,609 INFO L116 LiptonReduction]: Number of co-enabled transitions 640 [2020-12-22 11:23:56,062 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 11:23:56,379 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-22 11:23:57,249 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-12-22 11:23:57,359 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-22 11:23:57,909 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2020-12-22 11:23:58,169 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:23:58,772 WARN L197 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-12-22 11:23:59,031 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 11:23:59,035 INFO L131 LiptonReduction]: Checked pairs total: 554 [2020-12-22 11:23:59,035 INFO L133 LiptonReduction]: Total number of compositions: 59 [2020-12-22 11:23:59,044 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-12-22 11:23:59,053 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-12-22 11:23:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-22 11:23:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:23:59,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:23:59,061 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:23:59,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:23:59,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:23:59,068 INFO L82 PathProgramCache]: Analyzing trace with hash 245417, now seen corresponding path program 1 times [2020-12-22 11:23:59,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:23:59,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438159860] [2020-12-22 11:23:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:23:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:23:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:23:59,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438159860] [2020-12-22 11:23:59,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:23:59,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:23:59,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699034965] [2020-12-22 11:23:59,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:23:59,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:23:59,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:23:59,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:23:59,359 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-12-22 11:23:59,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:23:59,408 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-12-22 11:23:59,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:23:59,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:23:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:23:59,421 INFO L225 Difference]: With dead ends: 35 [2020-12-22 11:23:59,421 INFO L226 Difference]: Without dead ends: 31 [2020-12-22 11:23:59,423 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 [2020-12-22 11:23:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-22 11:23:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-22 11:23:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-22 11:23:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-12-22 11:23:59,466 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-12-22 11:23:59,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:23:59,467 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-12-22 11:23:59,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:23:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-12-22 11:23:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 11:23:59,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:23:59,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:23:59,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:23:59,469 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:23:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:23:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash -998701213, now seen corresponding path program 1 times [2020-12-22 11:23:59,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:23:59,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599466806] [2020-12-22 11:23:59,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:23:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:23:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:23:59,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599466806] [2020-12-22 11:23:59,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:23:59,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:23:59,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105844028] [2020-12-22 11:23:59,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 11:23:59,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:23:59,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 11:23:59,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 11:23:59,694 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-12-22 11:23:59,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:23:59,736 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-12-22 11:23:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 11:23:59,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-22 11:23:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:23:59,740 INFO L225 Difference]: With dead ends: 26 [2020-12-22 11:23:59,740 INFO L226 Difference]: Without dead ends: 24 [2020-12-22 11:23:59,741 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 [2020-12-22 11:23:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-22 11:23:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-22 11:23:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-22 11:23:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-12-22 11:23:59,753 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-12-22 11:23:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:23:59,753 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-12-22 11:23:59,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 11:23:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-22 11:23:59,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 11:23:59,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:23:59,755 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-12-22 11:23:59,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 11:23:59,755 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-12-22 11:23:59,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:23:59,769 INFO L82 PathProgramCache]: Analyzing trace with hash -894975147, now seen corresponding path program 1 times [2020-12-22 11:23:59,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:23:59,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907194535] [2020-12-22 11:23:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:23:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:23:59,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:23:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:23:59,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:23:59,880 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:23:59,880 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:23:59,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 11:23:59,881 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:23:59,881 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-12-22 11:23:59,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,904 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,905 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,906 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,906 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,906 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,906 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,907 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,907 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,907 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,907 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,907 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,908 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,909 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,909 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,910 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,910 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,911 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,911 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,933 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,933 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:23:59,935 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:23:59,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-22 11:23:59,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:23:59,938 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:23:59,938 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:23:59,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:23:59,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:23:59,938 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:23:59,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:23:59,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:23:59,941 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:23:59,942 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 80 transitions, 184 flow [2020-12-22 11:23:59,942 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 80 transitions, 184 flow [2020-12-22 11:23:59,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 80 transitions, 184 flow [2020-12-22 11:23:59,969 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2020-12-22 11:23:59,970 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-22 11:23:59,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 94 events. 5/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 103. Up to 6 conditions per place. [2020-12-22 11:23:59,975 INFO L116 LiptonReduction]: Number of co-enabled transitions 980 [2020-12-22 11:24:02,674 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-22 11:24:02,874 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-22 11:24:04,424 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-12-22 11:24:04,604 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 11:24:05,015 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-12-22 11:24:05,197 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 11:24:05,440 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-22 11:24:05,660 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:24:05,932 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-22 11:24:06,176 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 11:24:06,180 INFO L131 LiptonReduction]: Checked pairs total: 1390 [2020-12-22 11:24:06,180 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-12-22 11:24:06,181 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2020-12-22 11:24:06,196 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-12-22 11:24:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-12-22 11:24:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:24:06,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:06,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:24:06,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash 410870, now seen corresponding path program 1 times [2020-12-22 11:24:06,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:06,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140197387] [2020-12-22 11:24:06,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:06,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140197387] [2020-12-22 11:24:06,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:06,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:24:06,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578715973] [2020-12-22 11:24:06,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:24:06,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:06,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:24:06,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:24:06,274 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-12-22 11:24:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:06,314 INFO L93 Difference]: Finished difference Result 185 states and 459 transitions. [2020-12-22 11:24:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:24:06,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:24:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:06,320 INFO L225 Difference]: With dead ends: 185 [2020-12-22 11:24:06,320 INFO L226 Difference]: Without dead ends: 171 [2020-12-22 11:24:06,320 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 [2020-12-22 11:24:06,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-12-22 11:24:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-12-22 11:24:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-12-22 11:24:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2020-12-22 11:24:06,348 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2020-12-22 11:24:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:06,349 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2020-12-22 11:24:06,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:24:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2020-12-22 11:24:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:24:06,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:06,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:06,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 11:24:06,350 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:06,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:06,351 INFO L82 PathProgramCache]: Analyzing trace with hash 806488971, now seen corresponding path program 1 times [2020-12-22 11:24:06,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:06,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399055451] [2020-12-22 11:24:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:06,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399055451] [2020-12-22 11:24:06,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:06,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:24:06,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202027753] [2020-12-22 11:24:06,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:06,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:06,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:06,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:24:06,495 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2020-12-22 11:24:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:06,617 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2020-12-22 11:24:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:06,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:24:06,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:06,621 INFO L225 Difference]: With dead ends: 205 [2020-12-22 11:24:06,621 INFO L226 Difference]: Without dead ends: 201 [2020-12-22 11:24:06,622 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 [2020-12-22 11:24:06,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-12-22 11:24:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2020-12-22 11:24:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-22 11:24:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2020-12-22 11:24:06,649 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2020-12-22 11:24:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:06,649 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2020-12-22 11:24:06,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2020-12-22 11:24:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:24:06,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:06,651 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:06,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 11:24:06,651 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash 827958856, now seen corresponding path program 1 times [2020-12-22 11:24:06,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:06,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159110238] [2020-12-22 11:24:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:06,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159110238] [2020-12-22 11:24:06,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821845439] [2020-12-22 11:24:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:06,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:24:06,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:07,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:07,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2020-12-22 11:24:07,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859261375] [2020-12-22 11:24:07,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:07,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:07,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:07,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:24:07,164 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2020-12-22 11:24:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:07,313 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2020-12-22 11:24:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:07,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:24:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:07,318 INFO L225 Difference]: With dead ends: 189 [2020-12-22 11:24:07,318 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 11:24:07,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:24:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 11:24:07,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-12-22 11:24:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-22 11:24:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2020-12-22 11:24:07,339 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2020-12-22 11:24:07,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:07,340 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2020-12-22 11:24:07,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2020-12-22 11:24:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 11:24:07,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:07,342 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:07,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 11:24:07,548 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:07,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:07,550 INFO L82 PathProgramCache]: Analyzing trace with hash -105954365, now seen corresponding path program 1 times [2020-12-22 11:24:07,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:07,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997521521] [2020-12-22 11:24:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:07,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:07,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:07,645 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:24:07,651 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:24:07,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 11:24:07,652 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:24:07,653 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-12-22 11:24:07,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,709 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,731 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,732 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:07,743 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:24:07,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-22 11:24:07,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:24:07,745 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:24:07,745 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:24:07,745 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:24:07,745 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:24:07,745 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:24:07,745 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:24:07,745 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:24:07,748 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:24:07,748 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 97 transitions, 236 flow [2020-12-22 11:24:07,748 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 97 transitions, 236 flow [2020-12-22 11:24:07,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 236 flow [2020-12-22 11:24:07,800 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2020-12-22 11:24:07,803 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-12-22 11:24:07,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 115 events. 6/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 171 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 129. Up to 8 conditions per place. [2020-12-22 11:24:07,813 INFO L116 LiptonReduction]: Number of co-enabled transitions 1380 [2020-12-22 11:24:10,527 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:24:10,747 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:24:12,282 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-22 11:24:12,420 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:24:12,575 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-22 11:24:12,710 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-22 11:24:13,216 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-12-22 11:24:13,442 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:24:14,021 WARN L197 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-22 11:24:14,274 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 11:24:14,279 INFO L131 LiptonReduction]: Checked pairs total: 1830 [2020-12-22 11:24:14,279 INFO L133 LiptonReduction]: Total number of compositions: 86 [2020-12-22 11:24:14,280 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2020-12-22 11:24:14,319 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2020-12-22 11:24:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2020-12-22 11:24:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:24:14,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:14,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:24:14,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:14,321 INFO L82 PathProgramCache]: Analyzing trace with hash 608948, now seen corresponding path program 1 times [2020-12-22 11:24:14,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:14,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258059194] [2020-12-22 11:24:14,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:14,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258059194] [2020-12-22 11:24:14,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:14,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:24:14,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739121819] [2020-12-22 11:24:14,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:24:14,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:14,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:24:14,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:24:14,372 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2020-12-22 11:24:14,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:14,420 INFO L93 Difference]: Finished difference Result 600 states and 1886 transitions. [2020-12-22 11:24:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:24:14,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:24:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:14,428 INFO L225 Difference]: With dead ends: 600 [2020-12-22 11:24:14,429 INFO L226 Difference]: Without dead ends: 559 [2020-12-22 11:24:14,429 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 [2020-12-22 11:24:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-12-22 11:24:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2020-12-22 11:24:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-12-22 11:24:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2020-12-22 11:24:14,479 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2020-12-22 11:24:14,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:14,480 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2020-12-22 11:24:14,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:24:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2020-12-22 11:24:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:24:14,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:14,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:14,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 11:24:14,481 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash -242150196, now seen corresponding path program 1 times [2020-12-22 11:24:14,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:14,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154838124] [2020-12-22 11:24:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:14,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154838124] [2020-12-22 11:24:14,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:14,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:24:14,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850356368] [2020-12-22 11:24:14,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:14,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:14,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:14,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:24:14,608 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2020-12-22 11:24:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:14,766 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2020-12-22 11:24:14,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:14,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:24:14,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:14,775 INFO L225 Difference]: With dead ends: 817 [2020-12-22 11:24:14,775 INFO L226 Difference]: Without dead ends: 812 [2020-12-22 11:24:14,776 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 [2020-12-22 11:24:14,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-12-22 11:24:14,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2020-12-22 11:24:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-12-22 11:24:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2020-12-22 11:24:14,813 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2020-12-22 11:24:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:14,814 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2020-12-22 11:24:14,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2020-12-22 11:24:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:24:14,822 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:14,822 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:14,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 11:24:14,823 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:14,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:14,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1898841947, now seen corresponding path program 1 times [2020-12-22 11:24:14,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:14,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296495212] [2020-12-22 11:24:14,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:14,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296495212] [2020-12-22 11:24:14,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145282234] [2020-12-22 11:24:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:15,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 11:24:15,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:15,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:15,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2020-12-22 11:24:15,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631036749] [2020-12-22 11:24:15,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:15,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:15,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:15,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:24:15,228 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2020-12-22 11:24:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:15,432 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2020-12-22 11:24:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:15,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:24:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:15,441 INFO L225 Difference]: With dead ends: 843 [2020-12-22 11:24:15,441 INFO L226 Difference]: Without dead ends: 836 [2020-12-22 11:24:15,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:24:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-22 11:24:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2020-12-22 11:24:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-12-22 11:24:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2020-12-22 11:24:15,475 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2020-12-22 11:24:15,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:15,476 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2020-12-22 11:24:15,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2020-12-22 11:24:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:24:15,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:15,477 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:15,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 11:24:15,692 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:15,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:15,693 INFO L82 PathProgramCache]: Analyzing trace with hash -800464392, now seen corresponding path program 1 times [2020-12-22 11:24:15,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:15,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534085325] [2020-12-22 11:24:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:15,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534085325] [2020-12-22 11:24:15,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691004012] [2020-12-22 11:24:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:16,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-22 11:24:16,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:16,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:16,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-12-22 11:24:16,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101850560] [2020-12-22 11:24:16,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 11:24:16,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:16,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 11:24:16,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:24:16,183 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 12 states. [2020-12-22 11:24:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:16,658 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2020-12-22 11:24:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:16,659 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-12-22 11:24:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:16,667 INFO L225 Difference]: With dead ends: 1059 [2020-12-22 11:24:16,668 INFO L226 Difference]: Without dead ends: 1052 [2020-12-22 11:24:16,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-12-22 11:24:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-22 11:24:16,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2020-12-22 11:24:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-12-22 11:24:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2020-12-22 11:24:16,704 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2020-12-22 11:24:16,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:16,704 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2020-12-22 11:24:16,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 11:24:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2020-12-22 11:24:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:24:16,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:16,705 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:16,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 11:24:16,919 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash -573997344, now seen corresponding path program 2 times [2020-12-22 11:24:16,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:16,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892227086] [2020-12-22 11:24:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:17,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892227086] [2020-12-22 11:24:17,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:17,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:24:17,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774812272] [2020-12-22 11:24:17,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:24:17,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:17,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:24:17,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:24:17,151 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2020-12-22 11:24:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:17,632 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2020-12-22 11:24:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:17,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:24:17,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:17,641 INFO L225 Difference]: With dead ends: 1053 [2020-12-22 11:24:17,641 INFO L226 Difference]: Without dead ends: 1045 [2020-12-22 11:24:17,642 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 [2020-12-22 11:24:17,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-12-22 11:24:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2020-12-22 11:24:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-22 11:24:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2020-12-22 11:24:17,674 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2020-12-22 11:24:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:17,675 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2020-12-22 11:24:17,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:24:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2020-12-22 11:24:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:24:17,676 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:17,676 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:17,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 11:24:17,676 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:17,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:17,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1518312316, now seen corresponding path program 1 times [2020-12-22 11:24:17,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:17,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588765011] [2020-12-22 11:24:17,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:17,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588765011] [2020-12-22 11:24:17,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301281809] [2020-12-22 11:24:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:17,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 11:24:17,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:18,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:18,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2020-12-22 11:24:18,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753653824] [2020-12-22 11:24:18,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:18,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:18,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:18,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:24:18,091 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2020-12-22 11:24:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:18,260 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2020-12-22 11:24:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:18,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:24:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:18,267 INFO L225 Difference]: With dead ends: 736 [2020-12-22 11:24:18,268 INFO L226 Difference]: Without dead ends: 728 [2020-12-22 11:24:18,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-12-22 11:24:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-12-22 11:24:18,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2020-12-22 11:24:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-12-22 11:24:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2020-12-22 11:24:18,295 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2020-12-22 11:24:18,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:18,295 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2020-12-22 11:24:18,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2020-12-22 11:24:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 11:24:18,296 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:18,297 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:18,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:18,511 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:24:18,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:18,512 INFO L82 PathProgramCache]: Analyzing trace with hash 173383506, now seen corresponding path program 1 times [2020-12-22 11:24:18,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:18,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744306186] [2020-12-22 11:24:18,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:18,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:18,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:18,552 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:24:18,552 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:24:18,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 11:24:18,553 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:24:18,553 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-12-22 11:24:18,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,585 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,585 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,585 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,585 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,585 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,591 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,613 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,616 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:18,623 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:24:18,623 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-22 11:24:18,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:24:18,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:24:18,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:24:18,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:24:18,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:24:18,625 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:24:18,625 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:24:18,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:24:18,627 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:24:18,627 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 114 transitions, 292 flow [2020-12-22 11:24:18,627 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 114 transitions, 292 flow [2020-12-22 11:24:18,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 114 transitions, 292 flow [2020-12-22 11:24:18,652 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2020-12-22 11:24:18,652 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-12-22 11:24:18,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 136 events. 7/136 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 207 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 156. Up to 10 conditions per place. [2020-12-22 11:24:18,659 INFO L116 LiptonReduction]: Number of co-enabled transitions 1840 [2020-12-22 11:24:22,881 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:24:23,091 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:24:23,458 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 11:24:23,588 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:24:23,745 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-22 11:24:23,875 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:24:24,437 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-12-22 11:24:24,687 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:24:25,195 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-12-22 11:24:25,439 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:24:25,480 INFO L131 LiptonReduction]: Checked pairs total: 2897 [2020-12-22 11:24:25,481 INFO L133 LiptonReduction]: Total number of compositions: 107 [2020-12-22 11:24:25,481 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2020-12-22 11:24:25,621 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2020-12-22 11:24:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2020-12-22 11:24:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:24:25,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:25,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:24:25,622 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]=== [2020-12-22 11:24:25,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:25,623 INFO L82 PathProgramCache]: Analyzing trace with hash 844595, now seen corresponding path program 1 times [2020-12-22 11:24:25,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:25,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783543411] [2020-12-22 11:24:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:25,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783543411] [2020-12-22 11:24:25,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:25,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:24:25,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113043804] [2020-12-22 11:24:25,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:24:25,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:25,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:24:25,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:24:25,654 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2020-12-22 11:24:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:25,726 INFO L93 Difference]: Finished difference Result 1889 states and 7217 transitions. [2020-12-22 11:24:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:24:25,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:24:25,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:25,746 INFO L225 Difference]: With dead ends: 1889 [2020-12-22 11:24:25,746 INFO L226 Difference]: Without dead ends: 1767 [2020-12-22 11:24:25,747 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 [2020-12-22 11:24:25,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-12-22 11:24:25,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2020-12-22 11:24:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-12-22 11:24:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2020-12-22 11:24:25,850 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2020-12-22 11:24:25,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:25,850 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2020-12-22 11:24:25,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:24:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2020-12-22 11:24:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:24:25,851 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:25,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:25,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 11:24:25,851 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]=== [2020-12-22 11:24:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:25,852 INFO L82 PathProgramCache]: Analyzing trace with hash 608853316, now seen corresponding path program 1 times [2020-12-22 11:24:25,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:25,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344865721] [2020-12-22 11:24:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:25,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344865721] [2020-12-22 11:24:25,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:25,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:24:25,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516517688] [2020-12-22 11:24:25,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:25,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:25,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:25,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:24:25,967 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2020-12-22 11:24:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:26,167 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2020-12-22 11:24:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:26,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:24:26,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:26,196 INFO L225 Difference]: With dead ends: 2905 [2020-12-22 11:24:26,196 INFO L226 Difference]: Without dead ends: 2899 [2020-12-22 11:24:26,198 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 [2020-12-22 11:24:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2020-12-22 11:24:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2020-12-22 11:24:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-12-22 11:24:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2020-12-22 11:24:26,329 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2020-12-22 11:24:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:26,329 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2020-12-22 11:24:26,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2020-12-22 11:24:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:24:26,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:26,330 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:26,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 11:24:26,330 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]=== [2020-12-22 11:24:26,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:26,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1705235461, now seen corresponding path program 1 times [2020-12-22 11:24:26,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:26,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11208300] [2020-12-22 11:24:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:26,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11208300] [2020-12-22 11:24:26,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122945619] [2020-12-22 11:24:26,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:26,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:24:26,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:26,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:26,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2020-12-22 11:24:26,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026113629] [2020-12-22 11:24:26,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:26,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:26,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:26,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:24:26,732 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2020-12-22 11:24:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:26,943 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2020-12-22 11:24:26,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:26,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:24:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:26,978 INFO L225 Difference]: With dead ends: 3204 [2020-12-22 11:24:26,978 INFO L226 Difference]: Without dead ends: 3194 [2020-12-22 11:24:26,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:24:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-12-22 11:24:27,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2020-12-22 11:24:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-12-22 11:24:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2020-12-22 11:24:27,154 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2020-12-22 11:24:27,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:27,155 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2020-12-22 11:24:27,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2020-12-22 11:24:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:24:27,156 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:27,156 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:27,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 11:24:27,372 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]=== [2020-12-22 11:24:27,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:27,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1691179042, now seen corresponding path program 1 times [2020-12-22 11:24:27,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:27,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015631146] [2020-12-22 11:24:27,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:27,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015631146] [2020-12-22 11:24:27,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096011248] [2020-12-22 11:24:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:27,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:24:27,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:27,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:27,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-12-22 11:24:27,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150290304] [2020-12-22 11:24:27,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 11:24:27,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:27,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 11:24:27,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:24:27,895 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 12 states. [2020-12-22 11:24:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:28,550 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2020-12-22 11:24:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:28,551 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-12-22 11:24:28,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:28,590 INFO L225 Difference]: With dead ends: 4556 [2020-12-22 11:24:28,590 INFO L226 Difference]: Without dead ends: 4546 [2020-12-22 11:24:28,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-12-22 11:24:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2020-12-22 11:24:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2020-12-22 11:24:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-12-22 11:24:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2020-12-22 11:24:28,760 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2020-12-22 11:24:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:28,760 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2020-12-22 11:24:28,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 11:24:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2020-12-22 11:24:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:24:28,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:28,761 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:28,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-22 11:24:28,975 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]=== [2020-12-22 11:24:28,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:28,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1946238878, now seen corresponding path program 2 times [2020-12-22 11:24:28,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:28,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161393211] [2020-12-22 11:24:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:29,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161393211] [2020-12-22 11:24:29,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:29,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:24:29,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117381782] [2020-12-22 11:24:29,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:24:29,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:29,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:24:29,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:24:29,107 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2020-12-22 11:24:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:29,607 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2020-12-22 11:24:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:29,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:24:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:29,630 INFO L225 Difference]: With dead ends: 4612 [2020-12-22 11:24:29,630 INFO L226 Difference]: Without dead ends: 4601 [2020-12-22 11:24:29,630 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 [2020-12-22 11:24:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-12-22 11:24:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2020-12-22 11:24:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-12-22 11:24:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2020-12-22 11:24:29,764 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2020-12-22 11:24:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:29,791 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2020-12-22 11:24:29,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:24:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2020-12-22 11:24:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:24:29,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:29,793 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:29,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 11:24:29,794 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]=== [2020-12-22 11:24:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:29,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1847020699, now seen corresponding path program 1 times [2020-12-22 11:24:29,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:29,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755162545] [2020-12-22 11:24:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:29,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755162545] [2020-12-22 11:24:29,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460328486] [2020-12-22 11:24:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:30,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:24:30,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:30,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:30,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2020-12-22 11:24:30,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978465647] [2020-12-22 11:24:30,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:30,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:30,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:24:30,241 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2020-12-22 11:24:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:30,437 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2020-12-22 11:24:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:30,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:24:30,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:30,452 INFO L225 Difference]: With dead ends: 3265 [2020-12-22 11:24:30,452 INFO L226 Difference]: Without dead ends: 3250 [2020-12-22 11:24:30,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-12-22 11:24:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-12-22 11:24:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2020-12-22 11:24:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2020-12-22 11:24:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2020-12-22 11:24:30,566 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2020-12-22 11:24:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:30,566 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2020-12-22 11:24:30,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2020-12-22 11:24:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:24:30,568 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:30,568 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:30,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:30,783 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]=== [2020-12-22 11:24:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:30,784 INFO L82 PathProgramCache]: Analyzing trace with hash -440983810, now seen corresponding path program 1 times [2020-12-22 11:24:30,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:30,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095276137] [2020-12-22 11:24:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:30,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095276137] [2020-12-22 11:24:30,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113691866] [2020-12-22 11:24:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:31,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:24:31,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 11:24:31,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:31,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 14 [2020-12-22 11:24:31,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311902330] [2020-12-22 11:24:31,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 11:24:31,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:31,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 11:24:31,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:31,339 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 16 states. [2020-12-22 11:24:33,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:33,205 INFO L93 Difference]: Finished difference Result 5911 states and 18956 transitions. [2020-12-22 11:24:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-22 11:24:33,206 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2020-12-22 11:24:33,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:33,230 INFO L225 Difference]: With dead ends: 5911 [2020-12-22 11:24:33,230 INFO L226 Difference]: Without dead ends: 5889 [2020-12-22 11:24:33,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-12-22 11:24:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5889 states. [2020-12-22 11:24:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5889 to 2305. [2020-12-22 11:24:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-12-22 11:24:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2020-12-22 11:24:33,432 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2020-12-22 11:24:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:33,433 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2020-12-22 11:24:33,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 11:24:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2020-12-22 11:24:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:24:33,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:33,434 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:33,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-12-22 11:24:33,649 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]=== [2020-12-22 11:24:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:33,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1798913580, now seen corresponding path program 1 times [2020-12-22 11:24:33,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:33,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293285307] [2020-12-22 11:24:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:33,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293285307] [2020-12-22 11:24:33,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079310375] [2020-12-22 11:24:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:33,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-22 11:24:34,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:34,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:34,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2020-12-22 11:24:34,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555271863] [2020-12-22 11:24:34,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-22 11:24:34,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:34,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-22 11:24:34,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2020-12-22 11:24:34,290 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 20 states. [2020-12-22 11:24:36,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:36,556 INFO L93 Difference]: Finished difference Result 7023 states and 22323 transitions. [2020-12-22 11:24:36,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-22 11:24:36,557 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 19 [2020-12-22 11:24:36,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:36,580 INFO L225 Difference]: With dead ends: 7023 [2020-12-22 11:24:36,580 INFO L226 Difference]: Without dead ends: 7008 [2020-12-22 11:24:36,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=500, Invalid=1756, Unknown=0, NotChecked=0, Total=2256 [2020-12-22 11:24:36,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7008 states. [2020-12-22 11:24:36,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7008 to 2314. [2020-12-22 11:24:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2314 states. [2020-12-22 11:24:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 8833 transitions. [2020-12-22 11:24:36,735 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 8833 transitions. Word has length 19 [2020-12-22 11:24:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:36,736 INFO L481 AbstractCegarLoop]: Abstraction has 2314 states and 8833 transitions. [2020-12-22 11:24:36,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-22 11:24:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 8833 transitions. [2020-12-22 11:24:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:24:36,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:36,738 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:36,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:36,952 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]=== [2020-12-22 11:24:36,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:36,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1165401684, now seen corresponding path program 2 times [2020-12-22 11:24:36,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:36,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045697281] [2020-12-22 11:24:36,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:37,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045697281] [2020-12-22 11:24:37,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133592737] [2020-12-22 11:24:37,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:37,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:24:37,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:24:37,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:24:37,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:37,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:37,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2020-12-22 11:24:37,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497555323] [2020-12-22 11:24:37,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:24:37,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:37,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:24:37,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:37,485 INFO L87 Difference]: Start difference. First operand 2314 states and 8833 transitions. Second operand 7 states. [2020-12-22 11:24:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:38,072 INFO L93 Difference]: Finished difference Result 4982 states and 16559 transitions. [2020-12-22 11:24:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:38,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:24:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:38,093 INFO L225 Difference]: With dead ends: 4982 [2020-12-22 11:24:38,094 INFO L226 Difference]: Without dead ends: 4965 [2020-12-22 11:24:38,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-12-22 11:24:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4965 states. [2020-12-22 11:24:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4965 to 2231. [2020-12-22 11:24:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-12-22 11:24:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 8528 transitions. [2020-12-22 11:24:38,222 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 8528 transitions. Word has length 19 [2020-12-22 11:24:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:38,222 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 8528 transitions. [2020-12-22 11:24:38,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:24:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 8528 transitions. [2020-12-22 11:24:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:24:38,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:38,225 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:38,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:38,439 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]=== [2020-12-22 11:24:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:38,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1165408318, now seen corresponding path program 2 times [2020-12-22 11:24:38,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:38,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790582756] [2020-12-22 11:24:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:38,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790582756] [2020-12-22 11:24:38,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057294877] [2020-12-22 11:24:38,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:38,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:24:38,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:24:38,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:24:38,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:39,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:39,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2020-12-22 11:24:39,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565778789] [2020-12-22 11:24:39,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:24:39,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:39,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:24:39,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:39,021 INFO L87 Difference]: Start difference. First operand 2231 states and 8528 transitions. Second operand 7 states. [2020-12-22 11:24:39,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:39,519 INFO L93 Difference]: Finished difference Result 4772 states and 15819 transitions. [2020-12-22 11:24:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:24:39,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:24:39,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:39,538 INFO L225 Difference]: With dead ends: 4772 [2020-12-22 11:24:39,539 INFO L226 Difference]: Without dead ends: 4755 [2020-12-22 11:24:39,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-12-22 11:24:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4755 states. [2020-12-22 11:24:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4755 to 2161. [2020-12-22 11:24:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2161 states. [2020-12-22 11:24:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 8280 transitions. [2020-12-22 11:24:39,667 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 8280 transitions. Word has length 19 [2020-12-22 11:24:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:39,667 INFO L481 AbstractCegarLoop]: Abstraction has 2161 states and 8280 transitions. [2020-12-22 11:24:39,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:24:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 8280 transitions. [2020-12-22 11:24:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:39,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:39,670 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:39,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-12-22 11:24:39,883 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]=== [2020-12-22 11:24:39,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:39,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1547991177, now seen corresponding path program 1 times [2020-12-22 11:24:39,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:39,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976899496] [2020-12-22 11:24:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:40,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976899496] [2020-12-22 11:24:40,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205284215] [2020-12-22 11:24:40,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:40,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:24:40,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:40,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:40,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-12-22 11:24:40,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34889451] [2020-12-22 11:24:40,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 11:24:40,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:40,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 11:24:40,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:40,575 INFO L87 Difference]: Start difference. First operand 2161 states and 8280 transitions. Second operand 16 states. [2020-12-22 11:24:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:42,141 INFO L93 Difference]: Finished difference Result 6115 states and 19016 transitions. [2020-12-22 11:24:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:42,141 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-12-22 11:24:42,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:42,152 INFO L225 Difference]: With dead ends: 6115 [2020-12-22 11:24:42,153 INFO L226 Difference]: Without dead ends: 6096 [2020-12-22 11:24:42,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 11:24:42,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6096 states. [2020-12-22 11:24:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6096 to 2117. [2020-12-22 11:24:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2020-12-22 11:24:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 8106 transitions. [2020-12-22 11:24:42,300 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 8106 transitions. Word has length 21 [2020-12-22 11:24:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:42,300 INFO L481 AbstractCegarLoop]: Abstraction has 2117 states and 8106 transitions. [2020-12-22 11:24:42,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 11:24:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 8106 transitions. [2020-12-22 11:24:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:42,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:42,302 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:42,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-22 11:24:42,518 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]=== [2020-12-22 11:24:42,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:42,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1416324087, now seen corresponding path program 2 times [2020-12-22 11:24:42,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:42,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890244590] [2020-12-22 11:24:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 11:24:42,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890244590] [2020-12-22 11:24:42,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555152337] [2020-12-22 11:24:42,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:42,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-22 11:24:42,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:24:42,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:24:42,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 11:24:43,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:43,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-12-22 11:24:43,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605803529] [2020-12-22 11:24:43,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 11:24:43,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:43,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 11:24:43,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:43,089 INFO L87 Difference]: Start difference. First operand 2117 states and 8106 transitions. Second operand 16 states. [2020-12-22 11:24:44,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:44,651 INFO L93 Difference]: Finished difference Result 5914 states and 18384 transitions. [2020-12-22 11:24:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:44,652 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-12-22 11:24:44,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:44,664 INFO L225 Difference]: With dead ends: 5914 [2020-12-22 11:24:44,664 INFO L226 Difference]: Without dead ends: 5903 [2020-12-22 11:24:44,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 11:24:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2020-12-22 11:24:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 2085. [2020-12-22 11:24:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-12-22 11:24:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2020-12-22 11:24:44,779 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2020-12-22 11:24:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:44,780 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2020-12-22 11:24:44,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 11:24:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2020-12-22 11:24:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:44,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:44,782 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:44,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-22 11:24:44,996 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]=== [2020-12-22 11:24:44,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:44,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1549185225, now seen corresponding path program 3 times [2020-12-22 11:24:44,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:44,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142257517] [2020-12-22 11:24:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:45,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142257517] [2020-12-22 11:24:45,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811444024] [2020-12-22 11:24:45,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:45,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-22 11:24:45,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:24:45,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:24:45,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:45,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:45,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-12-22 11:24:45,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008635010] [2020-12-22 11:24:45,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 11:24:45,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:45,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 11:24:45,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:45,615 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 16 states. [2020-12-22 11:24:47,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:47,056 INFO L93 Difference]: Finished difference Result 5907 states and 18375 transitions. [2020-12-22 11:24:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:47,057 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-12-22 11:24:47,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:47,070 INFO L225 Difference]: With dead ends: 5907 [2020-12-22 11:24:47,070 INFO L226 Difference]: Without dead ends: 5899 [2020-12-22 11:24:47,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 11:24:47,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5899 states. [2020-12-22 11:24:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5899 to 2008. [2020-12-22 11:24:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2020-12-22 11:24:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 7698 transitions. [2020-12-22 11:24:47,200 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 7698 transitions. Word has length 21 [2020-12-22 11:24:47,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:47,200 INFO L481 AbstractCegarLoop]: Abstraction has 2008 states and 7698 transitions. [2020-12-22 11:24:47,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 11:24:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 7698 transitions. [2020-12-22 11:24:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:47,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:47,203 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:47,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:47,418 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]=== [2020-12-22 11:24:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:47,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2115879735, now seen corresponding path program 4 times [2020-12-22 11:24:47,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:47,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736750983] [2020-12-22 11:24:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:47,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736750983] [2020-12-22 11:24:47,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678681874] [2020-12-22 11:24:47,584 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 11:24:47,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 11:24:47,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:24:47,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:24:47,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:24:48,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:24:48,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-12-22 11:24:48,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334749422] [2020-12-22 11:24:48,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-22 11:24:48,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:48,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-22 11:24:48,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:24:48,031 INFO L87 Difference]: Start difference. First operand 2008 states and 7698 transitions. Second operand 16 states. [2020-12-22 11:24:49,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:49,577 INFO L93 Difference]: Finished difference Result 5835 states and 18155 transitions. [2020-12-22 11:24:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:49,578 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 21 [2020-12-22 11:24:49,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:49,592 INFO L225 Difference]: With dead ends: 5835 [2020-12-22 11:24:49,592 INFO L226 Difference]: Without dead ends: 5824 [2020-12-22 11:24:49,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-12-22 11:24:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2020-12-22 11:24:49,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 1976. [2020-12-22 11:24:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2020-12-22 11:24:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 7567 transitions. [2020-12-22 11:24:49,679 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 7567 transitions. Word has length 21 [2020-12-22 11:24:49,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:49,679 INFO L481 AbstractCegarLoop]: Abstraction has 1976 states and 7567 transitions. [2020-12-22 11:24:49,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-22 11:24:49,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 7567 transitions. [2020-12-22 11:24:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:49,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:49,681 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:49,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-22 11:24:49,897 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]=== [2020-12-22 11:24:49,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:49,897 INFO L82 PathProgramCache]: Analyzing trace with hash -290678062, now seen corresponding path program 1 times [2020-12-22 11:24:49,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:49,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752181405] [2020-12-22 11:24:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:24:50,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752181405] [2020-12-22 11:24:50,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109903379] [2020-12-22 11:24:50,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:24:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:50,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:24:50,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:24:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:24:50,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:24:50,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 11 [2020-12-22 11:24:50,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848684266] [2020-12-22 11:24:50,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:24:50,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:50,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:24:50,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:24:50,353 INFO L87 Difference]: Start difference. First operand 1976 states and 7567 transitions. Second operand 5 states. [2020-12-22 11:24:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:50,531 INFO L93 Difference]: Finished difference Result 3016 states and 10840 transitions. [2020-12-22 11:24:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:24:50,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-22 11:24:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:50,541 INFO L225 Difference]: With dead ends: 3016 [2020-12-22 11:24:50,541 INFO L226 Difference]: Without dead ends: 3000 [2020-12-22 11:24:50,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:24:50,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2020-12-22 11:24:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2183. [2020-12-22 11:24:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-12-22 11:24:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 8210 transitions. [2020-12-22 11:24:50,627 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 8210 transitions. Word has length 21 [2020-12-22 11:24:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:50,627 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 8210 transitions. [2020-12-22 11:24:50,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:24:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 8210 transitions. [2020-12-22 11:24:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:50,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:50,630 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:50,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-12-22 11:24:50,843 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]=== [2020-12-22 11:24:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1035436105, now seen corresponding path program 5 times [2020-12-22 11:24:50,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:50,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452886924] [2020-12-22 11:24:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:51,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452886924] [2020-12-22 11:24:51,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:51,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:24:51,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058409520] [2020-12-22 11:24:51,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:24:51,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:51,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:24:51,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:24:51,024 INFO L87 Difference]: Start difference. First operand 2183 states and 8210 transitions. Second operand 9 states. [2020-12-22 11:24:52,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:52,412 INFO L93 Difference]: Finished difference Result 6150 states and 19247 transitions. [2020-12-22 11:24:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:52,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:24:52,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:52,427 INFO L225 Difference]: With dead ends: 6150 [2020-12-22 11:24:52,427 INFO L226 Difference]: Without dead ends: 6139 [2020-12-22 11:24:52,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:24:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2020-12-22 11:24:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 2096. [2020-12-22 11:24:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-12-22 11:24:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2020-12-22 11:24:52,548 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2020-12-22 11:24:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:52,549 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2020-12-22 11:24:52,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:24:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2020-12-22 11:24:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:24:52,551 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:52,551 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:52,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-22 11:24:52,551 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]=== [2020-12-22 11:24:52,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:52,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1029067465, now seen corresponding path program 6 times [2020-12-22 11:24:52,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:52,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220654438] [2020-12-22 11:24:52,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:24:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:24:52,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220654438] [2020-12-22 11:24:52,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:24:52,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:24:52,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408329098] [2020-12-22 11:24:52,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:24:52,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:24:52,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:24:52,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:24:52,723 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2020-12-22 11:24:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:24:54,153 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2020-12-22 11:24:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:24:54,156 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:24:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:24:54,168 INFO L225 Difference]: With dead ends: 6017 [2020-12-22 11:24:54,169 INFO L226 Difference]: Without dead ends: 6002 [2020-12-22 11:24:54,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:24:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-12-22 11:24:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2020-12-22 11:24:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-12-22 11:24:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2020-12-22 11:24:54,331 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2020-12-22 11:24:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:24:54,331 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2020-12-22 11:24:54,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:24:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2020-12-22 11:24:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 11:24:54,334 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:24:54,334 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:24:54,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-22 11:24:54,334 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]=== [2020-12-22 11:24:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:24:54,335 INFO L82 PathProgramCache]: Analyzing trace with hash -425444958, now seen corresponding path program 1 times [2020-12-22 11:24:54,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:24:54,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779645225] [2020-12-22 11:24:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:24:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:54,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:24:54,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:24:54,372 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:24:54,372 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:24:54,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-22 11:24:54,373 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:24:54,373 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-12-22 11:24:54,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,417 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,439 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,442 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,442 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,442 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,444 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,444 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,445 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,445 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,447 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,447 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,447 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,456 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:24:54,463 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:24:54,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-22 11:24:54,466 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:24:54,466 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:24:54,466 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:24:54,466 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:24:54,466 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:24:54,466 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:24:54,466 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:24:54,467 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:24:54,469 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:24:54,469 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 131 transitions, 352 flow [2020-12-22 11:24:54,470 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 131 transitions, 352 flow [2020-12-22 11:24:54,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 131 transitions, 352 flow [2020-12-22 11:24:54,522 INFO L129 PetriNetUnfolder]: 8/157 cut-off events. [2020-12-22 11:24:54,522 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-12-22 11:24:54,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 157 events. 8/157 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 257 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 184. Up to 12 conditions per place. [2020-12-22 11:24:54,532 INFO L116 LiptonReduction]: Number of co-enabled transitions 2360 [2020-12-22 11:24:59,476 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-22 11:24:59,615 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-22 11:24:59,772 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-22 11:24:59,918 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-22 11:25:01,010 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-12-22 11:25:01,198 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 11:25:01,647 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-12-22 11:25:01,851 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-22 11:25:02,115 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-22 11:25:02,367 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:25:02,672 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-22 11:25:02,945 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 11:25:02,956 INFO L131 LiptonReduction]: Checked pairs total: 3863 [2020-12-22 11:25:02,956 INFO L133 LiptonReduction]: Total number of compositions: 121 [2020-12-22 11:25:02,956 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2020-12-22 11:25:03,532 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2020-12-22 11:25:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2020-12-22 11:25:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:25:03,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:03,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:25:03,533 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]=== [2020-12-22 11:25:03,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:03,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1111243, now seen corresponding path program 1 times [2020-12-22 11:25:03,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:03,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686220716] [2020-12-22 11:25:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:03,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686220716] [2020-12-22 11:25:03,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:03,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:25:03,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406356469] [2020-12-22 11:25:03,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:25:03,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:03,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:25:03,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:25:03,559 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2020-12-22 11:25:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:03,663 INFO L93 Difference]: Finished difference Result 5844 states and 26316 transitions. [2020-12-22 11:25:03,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:25:03,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:25:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:03,688 INFO L225 Difference]: With dead ends: 5844 [2020-12-22 11:25:03,688 INFO L226 Difference]: Without dead ends: 5479 [2020-12-22 11:25:03,689 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 [2020-12-22 11:25:03,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5479 states. [2020-12-22 11:25:03,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5479 to 5479. [2020-12-22 11:25:03,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-12-22 11:25:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2020-12-22 11:25:03,961 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2020-12-22 11:25:03,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:03,961 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2020-12-22 11:25:03,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:25:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2020-12-22 11:25:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:25:03,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:03,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:03,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-22 11:25:03,962 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]=== [2020-12-22 11:25:03,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:03,963 INFO L82 PathProgramCache]: Analyzing trace with hash -745341310, now seen corresponding path program 1 times [2020-12-22 11:25:03,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:03,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538756241] [2020-12-22 11:25:03,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:04,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538756241] [2020-12-22 11:25:04,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:04,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:25:04,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491357932] [2020-12-22 11:25:04,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:04,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:04,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:04,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:25:04,007 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2020-12-22 11:25:04,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:04,292 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2020-12-22 11:25:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:25:04,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-22 11:25:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:04,322 INFO L225 Difference]: With dead ends: 9673 [2020-12-22 11:25:04,322 INFO L226 Difference]: Without dead ends: 9666 [2020-12-22 11:25:04,322 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 [2020-12-22 11:25:04,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2020-12-22 11:25:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2020-12-22 11:25:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2020-12-22 11:25:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2020-12-22 11:25:04,562 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2020-12-22 11:25:04,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:04,562 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2020-12-22 11:25:04,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2020-12-22 11:25:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-22 11:25:04,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:04,562 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:04,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-22 11:25:04,563 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]=== [2020-12-22 11:25:04,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:04,563 INFO L82 PathProgramCache]: Analyzing trace with hash 901725382, now seen corresponding path program 1 times [2020-12-22 11:25:04,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:04,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618345519] [2020-12-22 11:25:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:04,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618345519] [2020-12-22 11:25:04,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746431378] [2020-12-22 11:25:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:04,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:25:04,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:25:04,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:04,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2020-12-22 11:25:04,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179056299] [2020-12-22 11:25:04,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:04,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:04,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:04,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-22 11:25:04,980 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2020-12-22 11:25:05,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:05,238 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2020-12-22 11:25:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:25:05,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-22 11:25:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:05,271 INFO L225 Difference]: With dead ends: 11081 [2020-12-22 11:25:05,272 INFO L226 Difference]: Without dead ends: 11068 [2020-12-22 11:25:05,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:25:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2020-12-22 11:25:05,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2020-12-22 11:25:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-12-22 11:25:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2020-12-22 11:25:05,762 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2020-12-22 11:25:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:05,762 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2020-12-22 11:25:05,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2020-12-22 11:25:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:25:05,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:05,762 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:05,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2020-12-22 11:25:05,963 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]=== [2020-12-22 11:25:05,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:05,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1025299782, now seen corresponding path program 1 times [2020-12-22 11:25:05,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:05,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328423814] [2020-12-22 11:25:05,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:25:06,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328423814] [2020-12-22 11:25:06,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:06,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:25:06,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933465625] [2020-12-22 11:25:06,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:06,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:06,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:25:06,042 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 7 states. [2020-12-22 11:25:06,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:06,695 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2020-12-22 11:25:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:06,696 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:25:06,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:06,765 INFO L225 Difference]: With dead ends: 16749 [2020-12-22 11:25:06,766 INFO L226 Difference]: Without dead ends: 16736 [2020-12-22 11:25:06,766 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 [2020-12-22 11:25:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2020-12-22 11:25:07,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2020-12-22 11:25:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2020-12-22 11:25:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2020-12-22 11:25:07,283 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2020-12-22 11:25:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:07,283 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2020-12-22 11:25:07,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2020-12-22 11:25:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-22 11:25:07,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:07,284 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:07,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-22 11:25:07,284 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]=== [2020-12-22 11:25:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:07,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1022204742, now seen corresponding path program 2 times [2020-12-22 11:25:07,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:07,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033079062] [2020-12-22 11:25:07,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 11:25:07,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033079062] [2020-12-22 11:25:07,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:07,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:25:07,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159467036] [2020-12-22 11:25:07,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:07,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:07,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:07,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:25:07,487 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2020-12-22 11:25:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:08,114 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2020-12-22 11:25:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:08,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-12-22 11:25:08,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:08,167 INFO L225 Difference]: With dead ends: 17085 [2020-12-22 11:25:08,167 INFO L226 Difference]: Without dead ends: 17071 [2020-12-22 11:25:08,167 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 [2020-12-22 11:25:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2020-12-22 11:25:08,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2020-12-22 11:25:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2020-12-22 11:25:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2020-12-22 11:25:08,644 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2020-12-22 11:25:08,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:08,645 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2020-12-22 11:25:08,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2020-12-22 11:25:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 11:25:08,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:08,646 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:08,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-12-22 11:25:08,646 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]=== [2020-12-22 11:25:08,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:08,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1059883444, now seen corresponding path program 1 times [2020-12-22 11:25:08,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:08,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694424345] [2020-12-22 11:25:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:08,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694424345] [2020-12-22 11:25:08,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506664552] [2020-12-22 11:25:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:09,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:25:09,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:09,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:09,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2020-12-22 11:25:09,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022979230] [2020-12-22 11:25:09,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:09,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:09,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:09,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-12-22 11:25:09,180 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2020-12-22 11:25:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:09,537 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2020-12-22 11:25:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:25:09,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-12-22 11:25:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:09,605 INFO L225 Difference]: With dead ends: 12234 [2020-12-22 11:25:09,606 INFO L226 Difference]: Without dead ends: 12212 [2020-12-22 11:25:09,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-12-22 11:25:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2020-12-22 11:25:10,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2020-12-22 11:25:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2020-12-22 11:25:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2020-12-22 11:25:10,146 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2020-12-22 11:25:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:10,147 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2020-12-22 11:25:10,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2020-12-22 11:25:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:25:10,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:10,148 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:10,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-12-22 11:25:10,362 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]=== [2020-12-22 11:25:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:10,362 INFO L82 PathProgramCache]: Analyzing trace with hash -658508568, now seen corresponding path program 1 times [2020-12-22 11:25:10,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:10,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964236817] [2020-12-22 11:25:10,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:10,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964236817] [2020-12-22 11:25:10,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958489266] [2020-12-22 11:25:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:10,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:10,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:11,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:11,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2020-12-22 11:25:11,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404926534] [2020-12-22 11:25:11,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:11,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:11,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:11,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:25:11,034 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 7 states. [2020-12-22 11:25:11,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:11,742 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2020-12-22 11:25:11,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:11,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:25:11,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:11,803 INFO L225 Difference]: With dead ends: 19016 [2020-12-22 11:25:11,803 INFO L226 Difference]: Without dead ends: 18998 [2020-12-22 11:25:11,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-12-22 11:25:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2020-12-22 11:25:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2020-12-22 11:25:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2020-12-22 11:25:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2020-12-22 11:25:12,429 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2020-12-22 11:25:12,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:12,429 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2020-12-22 11:25:12,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2020-12-22 11:25:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:25:12,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:12,431 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:12,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-12-22 11:25:12,632 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]=== [2020-12-22 11:25:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash -655410304, now seen corresponding path program 1 times [2020-12-22 11:25:12,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:12,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309886635] [2020-12-22 11:25:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:12,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309886635] [2020-12-22 11:25:12,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592286310] [2020-12-22 11:25:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:12,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-22 11:25:12,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:13,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:25:13,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2020-12-22 11:25:13,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188138764] [2020-12-22 11:25:13,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-22 11:25:13,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:13,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-22 11:25:13,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2020-12-22 11:25:13,306 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 19 states. [2020-12-22 11:25:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:15,518 INFO L93 Difference]: Finished difference Result 24179 states and 94894 transitions. [2020-12-22 11:25:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-12-22 11:25:15,519 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2020-12-22 11:25:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:15,593 INFO L225 Difference]: With dead ends: 24179 [2020-12-22 11:25:15,594 INFO L226 Difference]: Without dead ends: 24136 [2020-12-22 11:25:15,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=429, Invalid=1377, Unknown=0, NotChecked=0, Total=1806 [2020-12-22 11:25:15,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24136 states. [2020-12-22 11:25:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24136 to 8480. [2020-12-22 11:25:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8480 states. [2020-12-22 11:25:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8480 states to 8480 states and 38825 transitions. [2020-12-22 11:25:16,254 INFO L78 Accepts]: Start accepts. Automaton has 8480 states and 38825 transitions. Word has length 19 [2020-12-22 11:25:16,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:16,254 INFO L481 AbstractCegarLoop]: Abstraction has 8480 states and 38825 transitions. [2020-12-22 11:25:16,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-22 11:25:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8480 states and 38825 transitions. [2020-12-22 11:25:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:25:16,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:16,256 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:16,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-12-22 11:25:16,463 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]=== [2020-12-22 11:25:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:16,463 INFO L82 PathProgramCache]: Analyzing trace with hash -640741848, now seen corresponding path program 2 times [2020-12-22 11:25:16,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:16,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608458994] [2020-12-22 11:25:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:16,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608458994] [2020-12-22 11:25:16,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468476740] [2020-12-22 11:25:16,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:16,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:25:16,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:25:16,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:16,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:17,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:17,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2020-12-22 11:25:17,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475408814] [2020-12-22 11:25:17,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:17,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:17,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:17,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:25:17,060 INFO L87 Difference]: Start difference. First operand 8480 states and 38825 transitions. Second operand 7 states. [2020-12-22 11:25:17,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:17,915 INFO L93 Difference]: Finished difference Result 19852 states and 79846 transitions. [2020-12-22 11:25:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:17,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:25:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:17,987 INFO L225 Difference]: With dead ends: 19852 [2020-12-22 11:25:17,987 INFO L226 Difference]: Without dead ends: 19827 [2020-12-22 11:25:17,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-12-22 11:25:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19827 states. [2020-12-22 11:25:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19827 to 8379. [2020-12-22 11:25:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8379 states. [2020-12-22 11:25:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8379 states to 8379 states and 38406 transitions. [2020-12-22 11:25:18,643 INFO L78 Accepts]: Start accepts. Automaton has 8379 states and 38406 transitions. Word has length 19 [2020-12-22 11:25:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:18,643 INFO L481 AbstractCegarLoop]: Abstraction has 8379 states and 38406 transitions. [2020-12-22 11:25:18,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 8379 states and 38406 transitions. [2020-12-22 11:25:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 11:25:18,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:18,657 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:18,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:18,869 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]=== [2020-12-22 11:25:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:18,870 INFO L82 PathProgramCache]: Analyzing trace with hash -640738624, now seen corresponding path program 2 times [2020-12-22 11:25:18,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:18,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903275300] [2020-12-22 11:25:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:19,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903275300] [2020-12-22 11:25:19,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906433239] [2020-12-22 11:25:19,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:19,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:25:19,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:25:19,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:19,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:19,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:19,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2020-12-22 11:25:19,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094189364] [2020-12-22 11:25:19,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:19,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:19,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:19,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:25:19,424 INFO L87 Difference]: Start difference. First operand 8379 states and 38406 transitions. Second operand 7 states. [2020-12-22 11:25:20,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:20,086 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2020-12-22 11:25:20,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:20,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-12-22 11:25:20,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:20,149 INFO L225 Difference]: With dead ends: 19555 [2020-12-22 11:25:20,150 INFO L226 Difference]: Without dead ends: 19530 [2020-12-22 11:25:20,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-12-22 11:25:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2020-12-22 11:25:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2020-12-22 11:25:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2020-12-22 11:25:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2020-12-22 11:25:20,702 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2020-12-22 11:25:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:20,702 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2020-12-22 11:25:20,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2020-12-22 11:25:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:20,704 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:20,704 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:20,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:20,920 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]=== [2020-12-22 11:25:20,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:20,921 INFO L82 PathProgramCache]: Analyzing trace with hash -775503288, now seen corresponding path program 1 times [2020-12-22 11:25:20,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:20,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292497539] [2020-12-22 11:25:20,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:21,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292497539] [2020-12-22 11:25:21,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270421659] [2020-12-22 11:25:21,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:21,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:25:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:21,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:21,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 11 [2020-12-22 11:25:21,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814901871] [2020-12-22 11:25:21,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:21,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:21,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:21,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-12-22 11:25:21,579 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 5 states. [2020-12-22 11:25:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:21,876 INFO L93 Difference]: Finished difference Result 14141 states and 61627 transitions. [2020-12-22 11:25:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:25:21,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-12-22 11:25:21,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:21,924 INFO L225 Difference]: With dead ends: 14141 [2020-12-22 11:25:21,924 INFO L226 Difference]: Without dead ends: 14110 [2020-12-22 11:25:21,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-12-22 11:25:22,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14110 states. [2020-12-22 11:25:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14110 to 10049. [2020-12-22 11:25:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10049 states. [2020-12-22 11:25:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10049 states to 10049 states and 46134 transitions. [2020-12-22 11:25:22,418 INFO L78 Accepts]: Start accepts. Automaton has 10049 states and 46134 transitions. Word has length 21 [2020-12-22 11:25:22,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:22,418 INFO L481 AbstractCegarLoop]: Abstraction has 10049 states and 46134 transitions. [2020-12-22 11:25:22,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 10049 states and 46134 transitions. [2020-12-22 11:25:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:22,420 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:22,420 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:22,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2020-12-22 11:25:22,622 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]=== [2020-12-22 11:25:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:22,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1481211108, now seen corresponding path program 1 times [2020-12-22 11:25:22,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:22,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456884979] [2020-12-22 11:25:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:22,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456884979] [2020-12-22 11:25:22,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:22,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:22,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770554326] [2020-12-22 11:25:22,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:22,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:22,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:22,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:22,745 INFO L87 Difference]: Start difference. First operand 10049 states and 46134 transitions. Second operand 9 states. [2020-12-22 11:25:24,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:24,486 INFO L93 Difference]: Finished difference Result 30333 states and 116117 transitions. [2020-12-22 11:25:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:24,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:24,588 INFO L225 Difference]: With dead ends: 30333 [2020-12-22 11:25:24,588 INFO L226 Difference]: Without dead ends: 30315 [2020-12-22 11:25:24,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30315 states. [2020-12-22 11:25:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30315 to 9884. [2020-12-22 11:25:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9884 states. [2020-12-22 11:25:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9884 states to 9884 states and 45329 transitions. [2020-12-22 11:25:25,302 INFO L78 Accepts]: Start accepts. Automaton has 9884 states and 45329 transitions. Word has length 21 [2020-12-22 11:25:25,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:25,302 INFO L481 AbstractCegarLoop]: Abstraction has 9884 states and 45329 transitions. [2020-12-22 11:25:25,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 9884 states and 45329 transitions. [2020-12-22 11:25:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:25,303 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:25,303 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:25,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-12-22 11:25:25,303 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]=== [2020-12-22 11:25:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:25,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1466539428, now seen corresponding path program 2 times [2020-12-22 11:25:25,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:25,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194148377] [2020-12-22 11:25:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:25,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194148377] [2020-12-22 11:25:25,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:25,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:25,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55281464] [2020-12-22 11:25:25,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:25,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:25,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:25,417 INFO L87 Difference]: Start difference. First operand 9884 states and 45329 transitions. Second operand 9 states. [2020-12-22 11:25:26,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:26,954 INFO L93 Difference]: Finished difference Result 29916 states and 114355 transitions. [2020-12-22 11:25:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:26,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:26,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:27,055 INFO L225 Difference]: With dead ends: 29916 [2020-12-22 11:25:27,056 INFO L226 Difference]: Without dead ends: 29894 [2020-12-22 11:25:27,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29894 states. [2020-12-22 11:25:27,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29894 to 9719. [2020-12-22 11:25:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9719 states. [2020-12-22 11:25:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9719 states to 9719 states and 44527 transitions. [2020-12-22 11:25:27,826 INFO L78 Accepts]: Start accepts. Automaton has 9719 states and 44527 transitions. Word has length 21 [2020-12-22 11:25:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:27,826 INFO L481 AbstractCegarLoop]: Abstraction has 9719 states and 44527 transitions. [2020-12-22 11:25:27,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9719 states and 44527 transitions. [2020-12-22 11:25:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:27,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:27,829 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:27,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-12-22 11:25:27,829 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]=== [2020-12-22 11:25:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:27,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1493122332, now seen corresponding path program 3 times [2020-12-22 11:25:27,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:27,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415522054] [2020-12-22 11:25:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:27,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415522054] [2020-12-22 11:25:27,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:27,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:27,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927850846] [2020-12-22 11:25:27,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:27,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:27,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:27,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:27,973 INFO L87 Difference]: Start difference. First operand 9719 states and 44527 transitions. Second operand 9 states. [2020-12-22 11:25:29,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:29,563 INFO L93 Difference]: Finished difference Result 29973 states and 114573 transitions. [2020-12-22 11:25:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:29,565 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:29,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:29,659 INFO L225 Difference]: With dead ends: 29973 [2020-12-22 11:25:29,659 INFO L226 Difference]: Without dead ends: 29955 [2020-12-22 11:25:29,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29955 states. [2020-12-22 11:25:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29955 to 9420. [2020-12-22 11:25:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9420 states. [2020-12-22 11:25:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9420 states to 9420 states and 43170 transitions. [2020-12-22 11:25:30,356 INFO L78 Accepts]: Start accepts. Automaton has 9420 states and 43170 transitions. Word has length 21 [2020-12-22 11:25:30,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:30,356 INFO L481 AbstractCegarLoop]: Abstraction has 9420 states and 43170 transitions. [2020-12-22 11:25:30,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9420 states and 43170 transitions. [2020-12-22 11:25:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:30,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:30,357 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:30,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-12-22 11:25:30,358 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]=== [2020-12-22 11:25:30,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:30,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1510889052, now seen corresponding path program 4 times [2020-12-22 11:25:30,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:30,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895808535] [2020-12-22 11:25:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:30,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895808535] [2020-12-22 11:25:30,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:30,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:30,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738019096] [2020-12-22 11:25:30,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:30,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:30,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:30,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:30,470 INFO L87 Difference]: Start difference. First operand 9420 states and 43170 transitions. Second operand 9 states. [2020-12-22 11:25:31,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:31,989 INFO L93 Difference]: Finished difference Result 29739 states and 113643 transitions. [2020-12-22 11:25:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:31,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:31,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:32,080 INFO L225 Difference]: With dead ends: 29739 [2020-12-22 11:25:32,081 INFO L226 Difference]: Without dead ends: 29717 [2020-12-22 11:25:32,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:32,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29717 states. [2020-12-22 11:25:32,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29717 to 9255. [2020-12-22 11:25:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9255 states. [2020-12-22 11:25:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9255 states to 9255 states and 42368 transitions. [2020-12-22 11:25:32,864 INFO L78 Accepts]: Start accepts. Automaton has 9255 states and 42368 transitions. Word has length 21 [2020-12-22 11:25:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:32,864 INFO L481 AbstractCegarLoop]: Abstraction has 9255 states and 42368 transitions. [2020-12-22 11:25:32,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9255 states and 42368 transitions. [2020-12-22 11:25:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:32,866 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:32,866 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:32,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-12-22 11:25:32,866 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]=== [2020-12-22 11:25:32,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:32,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1572590692, now seen corresponding path program 5 times [2020-12-22 11:25:32,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:32,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575621291] [2020-12-22 11:25:32,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:32,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575621291] [2020-12-22 11:25:32,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:32,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:32,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260731426] [2020-12-22 11:25:32,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:32,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:32,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:32,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:32,995 INFO L87 Difference]: Start difference. First operand 9255 states and 42368 transitions. Second operand 9 states. [2020-12-22 11:25:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:34,634 INFO L93 Difference]: Finished difference Result 29788 states and 113841 transitions. [2020-12-22 11:25:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:34,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:34,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:34,717 INFO L225 Difference]: With dead ends: 29788 [2020-12-22 11:25:34,718 INFO L226 Difference]: Without dead ends: 29770 [2020-12-22 11:25:34,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29770 states. [2020-12-22 11:25:35,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29770 to 8964. [2020-12-22 11:25:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8964 states. [2020-12-22 11:25:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8964 states to 8964 states and 41031 transitions. [2020-12-22 11:25:35,382 INFO L78 Accepts]: Start accepts. Automaton has 8964 states and 41031 transitions. Word has length 21 [2020-12-22 11:25:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:35,382 INFO L481 AbstractCegarLoop]: Abstraction has 8964 states and 41031 transitions. [2020-12-22 11:25:35,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 8964 states and 41031 transitions. [2020-12-22 11:25:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 11:25:35,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:35,384 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:35,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-12-22 11:25:35,384 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]=== [2020-12-22 11:25:35,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:35,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1569495652, now seen corresponding path program 6 times [2020-12-22 11:25:35,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:35,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828152374] [2020-12-22 11:25:35,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 11:25:35,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828152374] [2020-12-22 11:25:35,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:25:35,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 11:25:35,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138203770] [2020-12-22 11:25:35,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:35,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:35,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:25:35,496 INFO L87 Difference]: Start difference. First operand 8964 states and 41031 transitions. Second operand 9 states. [2020-12-22 11:25:37,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:37,232 INFO L93 Difference]: Finished difference Result 29379 states and 112099 transitions. [2020-12-22 11:25:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:37,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-22 11:25:37,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:37,317 INFO L225 Difference]: With dead ends: 29379 [2020-12-22 11:25:37,317 INFO L226 Difference]: Without dead ends: 29356 [2020-12-22 11:25:37,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-12-22 11:25:37,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29356 states. [2020-12-22 11:25:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29356 to 8573. [2020-12-22 11:25:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2020-12-22 11:25:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2020-12-22 11:25:38,073 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2020-12-22 11:25:38,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:38,075 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2020-12-22 11:25:38,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2020-12-22 11:25:38,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:38,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:38,077 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:38,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-12-22 11:25:38,078 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]=== [2020-12-22 11:25:38,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:38,078 INFO L82 PathProgramCache]: Analyzing trace with hash 2048893540, now seen corresponding path program 1 times [2020-12-22 11:25:38,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:38,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230359735] [2020-12-22 11:25:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:38,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230359735] [2020-12-22 11:25:38,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951315279] [2020-12-22 11:25:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:38,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:38,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:38,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:38,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:38,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485888515] [2020-12-22 11:25:38,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:38,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:38,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:38,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:38,750 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 7 states. [2020-12-22 11:25:39,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:39,486 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2020-12-22 11:25:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:39,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:39,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:39,775 INFO L225 Difference]: With dead ends: 19727 [2020-12-22 11:25:39,775 INFO L226 Difference]: Without dead ends: 19703 [2020-12-22 11:25:39,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2020-12-22 11:25:40,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2020-12-22 11:25:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2020-12-22 11:25:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2020-12-22 11:25:40,145 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2020-12-22 11:25:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:40,145 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2020-12-22 11:25:40,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2020-12-22 11:25:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:40,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:40,147 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:40,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:40,348 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]=== [2020-12-22 11:25:40,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:40,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2065648420, now seen corresponding path program 2 times [2020-12-22 11:25:40,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:40,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021808786] [2020-12-22 11:25:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:40,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021808786] [2020-12-22 11:25:40,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64392779] [2020-12-22 11:25:40,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:40,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:25:40,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:25:40,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:40,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:40,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:40,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:40,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828451589] [2020-12-22 11:25:40,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:40,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:40,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:40,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:40,963 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 7 states. [2020-12-22 11:25:41,231 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-22 11:25:41,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:41,814 INFO L93 Difference]: Finished difference Result 20209 states and 82213 transitions. [2020-12-22 11:25:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:41,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:41,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:41,871 INFO L225 Difference]: With dead ends: 20209 [2020-12-22 11:25:41,871 INFO L226 Difference]: Without dead ends: 20172 [2020-12-22 11:25:41,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:41,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20172 states. [2020-12-22 11:25:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20172 to 8496. [2020-12-22 11:25:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8496 states. [2020-12-22 11:25:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 38896 transitions. [2020-12-22 11:25:42,429 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 38896 transitions. Word has length 23 [2020-12-22 11:25:42,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:42,429 INFO L481 AbstractCegarLoop]: Abstraction has 8496 states and 38896 transitions. [2020-12-22 11:25:42,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 38896 transitions. [2020-12-22 11:25:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:42,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:42,431 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:42,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2020-12-22 11:25:42,632 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]=== [2020-12-22 11:25:42,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2065651644, now seen corresponding path program 1 times [2020-12-22 11:25:42,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:42,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333548418] [2020-12-22 11:25:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:42,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333548418] [2020-12-22 11:25:42,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583202717] [2020-12-22 11:25:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:42,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:43,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:43,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:43,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:43,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132198532] [2020-12-22 11:25:43,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:43,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:43,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:43,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:43,205 INFO L87 Difference]: Start difference. First operand 8496 states and 38896 transitions. Second operand 7 states. [2020-12-22 11:25:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:43,909 INFO L93 Difference]: Finished difference Result 20488 states and 83323 transitions. [2020-12-22 11:25:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:43,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:43,967 INFO L225 Difference]: With dead ends: 20488 [2020-12-22 11:25:43,967 INFO L226 Difference]: Without dead ends: 20451 [2020-12-22 11:25:43,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20451 states. [2020-12-22 11:25:44,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20451 to 8768. [2020-12-22 11:25:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8768 states. [2020-12-22 11:25:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8768 states to 8768 states and 40121 transitions. [2020-12-22 11:25:44,618 INFO L78 Accepts]: Start accepts. Automaton has 8768 states and 40121 transitions. Word has length 23 [2020-12-22 11:25:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:44,618 INFO L481 AbstractCegarLoop]: Abstraction has 8768 states and 40121 transitions. [2020-12-22 11:25:44,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 8768 states and 40121 transitions. [2020-12-22 11:25:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:44,621 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:44,621 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:44,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:44,822 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]=== [2020-12-22 11:25:44,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:44,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2065666927, now seen corresponding path program 1 times [2020-12-22 11:25:44,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:44,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408966929] [2020-12-22 11:25:44,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:44,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408966929] [2020-12-22 11:25:44,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649904291] [2020-12-22 11:25:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:45,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:45,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:45,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:45,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:45,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44691492] [2020-12-22 11:25:45,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:45,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:45,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:45,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:45,414 INFO L87 Difference]: Start difference. First operand 8768 states and 40121 transitions. Second operand 7 states. [2020-12-22 11:25:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:46,287 INFO L93 Difference]: Finished difference Result 20313 states and 82544 transitions. [2020-12-22 11:25:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:46,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:46,347 INFO L225 Difference]: With dead ends: 20313 [2020-12-22 11:25:46,347 INFO L226 Difference]: Without dead ends: 20276 [2020-12-22 11:25:46,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20276 states. [2020-12-22 11:25:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20276 to 9144. [2020-12-22 11:25:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9144 states. [2020-12-22 11:25:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9144 states to 9144 states and 41753 transitions. [2020-12-22 11:25:46,745 INFO L78 Accepts]: Start accepts. Automaton has 9144 states and 41753 transitions. Word has length 23 [2020-12-22 11:25:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:46,745 INFO L481 AbstractCegarLoop]: Abstraction has 9144 states and 41753 transitions. [2020-12-22 11:25:46,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 9144 states and 41753 transitions. [2020-12-22 11:25:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:46,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:46,748 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:46,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2020-12-22 11:25:46,949 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]=== [2020-12-22 11:25:46,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:46,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2051991804, now seen corresponding path program 2 times [2020-12-22 11:25:46,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:46,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149929385] [2020-12-22 11:25:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:47,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149929385] [2020-12-22 11:25:47,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472022181] [2020-12-22 11:25:47,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:47,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:25:47,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:25:47,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:47,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:47,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:47,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:47,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277792680] [2020-12-22 11:25:47,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:47,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:47,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:47,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:47,699 INFO L87 Difference]: Start difference. First operand 9144 states and 41753 transitions. Second operand 7 states. [2020-12-22 11:25:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:48,401 INFO L93 Difference]: Finished difference Result 20485 states and 83152 transitions. [2020-12-22 11:25:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:48,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:48,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:48,457 INFO L225 Difference]: With dead ends: 20485 [2020-12-22 11:25:48,458 INFO L226 Difference]: Without dead ends: 20457 [2020-12-22 11:25:48,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20457 states. [2020-12-22 11:25:48,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20457 to 9331. [2020-12-22 11:25:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9331 states. [2020-12-22 11:25:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9331 states to 9331 states and 42574 transitions. [2020-12-22 11:25:48,987 INFO L78 Accepts]: Start accepts. Automaton has 9331 states and 42574 transitions. Word has length 23 [2020-12-22 11:25:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:48,987 INFO L481 AbstractCegarLoop]: Abstraction has 9331 states and 42574 transitions. [2020-12-22 11:25:48,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9331 states and 42574 transitions. [2020-12-22 11:25:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 11:25:48,990 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:48,990 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:49,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:49,191 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]=== [2020-12-22 11:25:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:49,192 INFO L82 PathProgramCache]: Analyzing trace with hash 2066678767, now seen corresponding path program 2 times [2020-12-22 11:25:49,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:49,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952666139] [2020-12-22 11:25:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:49,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952666139] [2020-12-22 11:25:49,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167998339] [2020-12-22 11:25:49,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:49,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:25:49,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:25:49,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-22 11:25:49,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:49,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:49,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2020-12-22 11:25:49,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017801665] [2020-12-22 11:25:49,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 11:25:49,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:49,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 11:25:49,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-22 11:25:49,795 INFO L87 Difference]: Start difference. First operand 9331 states and 42574 transitions. Second operand 7 states. [2020-12-22 11:25:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:50,488 INFO L93 Difference]: Finished difference Result 21187 states and 86251 transitions. [2020-12-22 11:25:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 11:25:50,489 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-12-22 11:25:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:50,734 INFO L225 Difference]: With dead ends: 21187 [2020-12-22 11:25:50,734 INFO L226 Difference]: Without dead ends: 21150 [2020-12-22 11:25:50,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:25:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21150 states. [2020-12-22 11:25:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21150 to 9426. [2020-12-22 11:25:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2020-12-22 11:25:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2020-12-22 11:25:51,164 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2020-12-22 11:25:51,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:51,164 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2020-12-22 11:25:51,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 11:25:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2020-12-22 11:25:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:25:51,168 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:51,168 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:51,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2020-12-22 11:25:51,369 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]=== [2020-12-22 11:25:51,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:51,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1711227692, now seen corresponding path program 1 times [2020-12-22 11:25:51,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:51,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895983017] [2020-12-22 11:25:51,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:51,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895983017] [2020-12-22 11:25:51,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352547984] [2020-12-22 11:25:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:51,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:25:51,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-22 11:25:51,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:51,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 12 [2020-12-22 11:25:51,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678421066] [2020-12-22 11:25:51,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:25:51,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:51,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:25:51,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-12-22 11:25:51,889 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 5 states. [2020-12-22 11:25:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:52,313 INFO L93 Difference]: Finished difference Result 15105 states and 66484 transitions. [2020-12-22 11:25:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 11:25:52,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 11:25:52,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:52,358 INFO L225 Difference]: With dead ends: 15105 [2020-12-22 11:25:52,359 INFO L226 Difference]: Without dead ends: 15073 [2020-12-22 11:25:52,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-12-22 11:25:52,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15073 states. [2020-12-22 11:25:52,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15073 to 11239. [2020-12-22 11:25:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11239 states. [2020-12-22 11:25:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11239 states to 11239 states and 51146 transitions. [2020-12-22 11:25:52,725 INFO L78 Accepts]: Start accepts. Automaton has 11239 states and 51146 transitions. Word has length 25 [2020-12-22 11:25:52,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:52,726 INFO L481 AbstractCegarLoop]: Abstraction has 11239 states and 51146 transitions. [2020-12-22 11:25:52,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:25:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 11239 states and 51146 transitions. [2020-12-22 11:25:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:25:52,731 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:52,731 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:52,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:52,943 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]=== [2020-12-22 11:25:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1891672280, now seen corresponding path program 1 times [2020-12-22 11:25:52,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:52,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934210713] [2020-12-22 11:25:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:53,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934210713] [2020-12-22 11:25:53,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968230374] [2020-12-22 11:25:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:53,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:25:53,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:53,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:53,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:25:53,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192259622] [2020-12-22 11:25:53,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:53,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:53,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:53,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:25:53,924 INFO L87 Difference]: Start difference. First operand 11239 states and 51146 transitions. Second operand 9 states. [2020-12-22 11:25:55,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:55,671 INFO L93 Difference]: Finished difference Result 33877 states and 131849 transitions. [2020-12-22 11:25:55,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:55,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:25:55,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:55,959 INFO L225 Difference]: With dead ends: 33877 [2020-12-22 11:25:55,960 INFO L226 Difference]: Without dead ends: 33851 [2020-12-22 11:25:55,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:25:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33851 states. [2020-12-22 11:25:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33851 to 11265. [2020-12-22 11:25:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11265 states. [2020-12-22 11:25:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 51200 transitions. [2020-12-22 11:25:56,725 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 51200 transitions. Word has length 25 [2020-12-22 11:25:56,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:25:56,726 INFO L481 AbstractCegarLoop]: Abstraction has 11265 states and 51200 transitions. [2020-12-22 11:25:56,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:25:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 51200 transitions. [2020-12-22 11:25:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:25:56,732 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:25:56,732 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:25:56,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2020-12-22 11:25:56,944 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]=== [2020-12-22 11:25:56,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:25:56,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1891687563, now seen corresponding path program 1 times [2020-12-22 11:25:56,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:25:56,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353128679] [2020-12-22 11:25:56,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:25:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:25:57,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353128679] [2020-12-22 11:25:57,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016111038] [2020-12-22 11:25:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:25:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:25:57,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:25:57,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:25:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:25:57,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:25:57,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:25:57,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376792904] [2020-12-22 11:25:57,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:25:57,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:25:57,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:25:57,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:25:57,817 INFO L87 Difference]: Start difference. First operand 11265 states and 51200 transitions. Second operand 9 states. [2020-12-22 11:25:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:25:59,863 INFO L93 Difference]: Finished difference Result 33443 states and 130105 transitions. [2020-12-22 11:25:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:25:59,864 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:25:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:25:59,967 INFO L225 Difference]: With dead ends: 33443 [2020-12-22 11:25:59,967 INFO L226 Difference]: Without dead ends: 33417 [2020-12-22 11:25:59,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2020-12-22 11:26:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 11150. [2020-12-22 11:26:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11150 states. [2020-12-22 11:26:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11150 states to 11150 states and 50594 transitions. [2020-12-22 11:26:00,701 INFO L78 Accepts]: Start accepts. Automaton has 11150 states and 50594 transitions. Word has length 25 [2020-12-22 11:26:00,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:00,702 INFO L481 AbstractCegarLoop]: Abstraction has 11150 states and 50594 transitions. [2020-12-22 11:26:00,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 11150 states and 50594 transitions. [2020-12-22 11:26:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:00,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:00,707 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:00,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2020-12-22 11:26:00,909 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]=== [2020-12-22 11:26:00,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1878012440, now seen corresponding path program 2 times [2020-12-22 11:26:00,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:00,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659875975] [2020-12-22 11:26:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:01,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659875975] [2020-12-22 11:26:01,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104189942] [2020-12-22 11:26:01,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:01,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:26:01,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:01,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:01,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:01,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:01,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:01,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666319779] [2020-12-22 11:26:01,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:01,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:01,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:01,652 INFO L87 Difference]: Start difference. First operand 11150 states and 50594 transitions. Second operand 9 states. [2020-12-22 11:26:03,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:03,647 INFO L93 Difference]: Finished difference Result 33189 states and 128963 transitions. [2020-12-22 11:26:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:03,648 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:03,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:03,752 INFO L225 Difference]: With dead ends: 33189 [2020-12-22 11:26:03,752 INFO L226 Difference]: Without dead ends: 33161 [2020-12-22 11:26:03,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33161 states. [2020-12-22 11:26:04,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33161 to 10991. [2020-12-22 11:26:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10991 states. [2020-12-22 11:26:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10991 states to 10991 states and 49794 transitions. [2020-12-22 11:26:04,549 INFO L78 Accepts]: Start accepts. Automaton has 10991 states and 49794 transitions. Word has length 25 [2020-12-22 11:26:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:04,550 INFO L481 AbstractCegarLoop]: Abstraction has 10991 states and 49794 transitions. [2020-12-22 11:26:04,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 10991 states and 49794 transitions. [2020-12-22 11:26:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:04,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:04,554 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:04,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2020-12-22 11:26:04,755 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]=== [2020-12-22 11:26:04,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:04,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1892699403, now seen corresponding path program 2 times [2020-12-22 11:26:04,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:04,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049529672] [2020-12-22 11:26:04,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:04,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049529672] [2020-12-22 11:26:04,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691275963] [2020-12-22 11:26:04,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:05,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:26:05,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:05,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:05,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:05,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:05,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:05,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568084428] [2020-12-22 11:26:05,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:05,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:05,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:05,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:05,519 INFO L87 Difference]: Start difference. First operand 10991 states and 49794 transitions. Second operand 9 states. [2020-12-22 11:26:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:07,404 INFO L93 Difference]: Finished difference Result 32647 states and 126668 transitions. [2020-12-22 11:26:07,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:07,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:07,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:07,498 INFO L225 Difference]: With dead ends: 32647 [2020-12-22 11:26:07,498 INFO L226 Difference]: Without dead ends: 32619 [2020-12-22 11:26:07,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:07,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32619 states. [2020-12-22 11:26:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32619 to 10881. [2020-12-22 11:26:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10881 states. [2020-12-22 11:26:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10881 states to 10881 states and 49235 transitions. [2020-12-22 11:26:08,278 INFO L78 Accepts]: Start accepts. Automaton has 10881 states and 49235 transitions. Word has length 25 [2020-12-22 11:26:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:08,278 INFO L481 AbstractCegarLoop]: Abstraction has 10881 states and 49235 transitions. [2020-12-22 11:26:08,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 10881 states and 49235 transitions. [2020-12-22 11:26:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:08,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:08,282 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:08,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2020-12-22 11:26:08,488 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]=== [2020-12-22 11:26:08,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:08,489 INFO L82 PathProgramCache]: Analyzing trace with hash 813242776, now seen corresponding path program 3 times [2020-12-22 11:26:08,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:08,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018961210] [2020-12-22 11:26:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:08,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018961210] [2020-12-22 11:26:08,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512004127] [2020-12-22 11:26:08,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:08,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-12-22 11:26:08,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:08,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:08,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:09,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:09,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:09,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466444147] [2020-12-22 11:26:09,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:09,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:09,250 INFO L87 Difference]: Start difference. First operand 10881 states and 49235 transitions. Second operand 9 states. [2020-12-22 11:26:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:11,122 INFO L93 Difference]: Finished difference Result 32649 states and 126657 transitions. [2020-12-22 11:26:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:11,123 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:11,211 INFO L225 Difference]: With dead ends: 32649 [2020-12-22 11:26:11,212 INFO L226 Difference]: Without dead ends: 32623 [2020-12-22 11:26:11,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:11,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32623 states. [2020-12-22 11:26:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32623 to 10608. [2020-12-22 11:26:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10608 states. [2020-12-22 11:26:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10608 states to 10608 states and 47948 transitions. [2020-12-22 11:26:11,996 INFO L78 Accepts]: Start accepts. Automaton has 10608 states and 47948 transitions. Word has length 25 [2020-12-22 11:26:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:11,996 INFO L481 AbstractCegarLoop]: Abstraction has 10608 states and 47948 transitions. [2020-12-22 11:26:11,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 10608 states and 47948 transitions. [2020-12-22 11:26:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:12,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:12,000 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:12,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:12,204 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]=== [2020-12-22 11:26:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:12,205 INFO L82 PathProgramCache]: Analyzing trace with hash 813258059, now seen corresponding path program 3 times [2020-12-22 11:26:12,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:12,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773330679] [2020-12-22 11:26:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:12,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:12,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773330679] [2020-12-22 11:26:12,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87527052] [2020-12-22 11:26:12,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:12,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-12-22 11:26:12,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:12,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:12,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:12,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:12,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:12,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53166641] [2020-12-22 11:26:12,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:12,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:12,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:12,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:12,957 INFO L87 Difference]: Start difference. First operand 10608 states and 47948 transitions. Second operand 9 states. [2020-12-22 11:26:14,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:14,855 INFO L93 Difference]: Finished difference Result 32110 states and 124409 transitions. [2020-12-22 11:26:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:14,856 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:14,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:14,945 INFO L225 Difference]: With dead ends: 32110 [2020-12-22 11:26:14,945 INFO L226 Difference]: Without dead ends: 32084 [2020-12-22 11:26:14,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:15,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32084 states. [2020-12-22 11:26:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32084 to 10323. [2020-12-22 11:26:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10323 states. [2020-12-22 11:26:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10323 states to 10323 states and 46617 transitions. [2020-12-22 11:26:15,709 INFO L78 Accepts]: Start accepts. Automaton has 10323 states and 46617 transitions. Word has length 25 [2020-12-22 11:26:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:15,709 INFO L481 AbstractCegarLoop]: Abstraction has 10323 states and 46617 transitions. [2020-12-22 11:26:15,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 10323 states and 46617 transitions. [2020-12-22 11:26:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:15,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:15,713 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:15,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:15,914 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]=== [2020-12-22 11:26:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:15,915 INFO L82 PathProgramCache]: Analyzing trace with hash 816337816, now seen corresponding path program 4 times [2020-12-22 11:26:15,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:15,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386810632] [2020-12-22 11:26:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:16,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386810632] [2020-12-22 11:26:16,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225035134] [2020-12-22 11:26:16,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:16,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 11:26:16,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:16,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:16,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:16,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:26:16,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2020-12-22 11:26:16,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664512781] [2020-12-22 11:26:16,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 11:26:16,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:16,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 11:26:16,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:26:16,910 INFO L87 Difference]: Start difference. First operand 10323 states and 46617 transitions. Second operand 25 states. [2020-12-22 11:26:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:24,545 INFO L93 Difference]: Finished difference Result 39782 states and 150906 transitions. [2020-12-22 11:26:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-12-22 11:26:24,546 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2020-12-22 11:26:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:24,656 INFO L225 Difference]: With dead ends: 39782 [2020-12-22 11:26:24,656 INFO L226 Difference]: Without dead ends: 39725 [2020-12-22 11:26:24,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4606 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2434, Invalid=10448, Unknown=0, NotChecked=0, Total=12882 [2020-12-22 11:26:24,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39725 states. [2020-12-22 11:26:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39725 to 10243. [2020-12-22 11:26:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10243 states. [2020-12-22 11:26:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10243 states to 10243 states and 46264 transitions. [2020-12-22 11:26:25,504 INFO L78 Accepts]: Start accepts. Automaton has 10243 states and 46264 transitions. Word has length 25 [2020-12-22 11:26:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:25,505 INFO L481 AbstractCegarLoop]: Abstraction has 10243 states and 46264 transitions. [2020-12-22 11:26:25,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 11:26:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 10243 states and 46264 transitions. [2020-12-22 11:26:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:25,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:25,510 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:25,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2020-12-22 11:26:25,712 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]=== [2020-12-22 11:26:25,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:25,713 INFO L82 PathProgramCache]: Analyzing trace with hash 816356323, now seen corresponding path program 1 times [2020-12-22 11:26:25,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:25,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954901432] [2020-12-22 11:26:25,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:25,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954901432] [2020-12-22 11:26:25,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357692835] [2020-12-22 11:26:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:26,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:26,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:26,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:26,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:26,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673070707] [2020-12-22 11:26:26,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:26,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:26,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:26,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:26,494 INFO L87 Difference]: Start difference. First operand 10243 states and 46264 transitions. Second operand 9 states. [2020-12-22 11:26:26,998 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-22 11:26:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:28,460 INFO L93 Difference]: Finished difference Result 32141 states and 124784 transitions. [2020-12-22 11:26:28,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:28,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:28,551 INFO L225 Difference]: With dead ends: 32141 [2020-12-22 11:26:28,551 INFO L226 Difference]: Without dead ends: 32115 [2020-12-22 11:26:28,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32115 states. [2020-12-22 11:26:29,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32115 to 10251. [2020-12-22 11:26:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10251 states. [2020-12-22 11:26:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10251 states to 10251 states and 46267 transitions. [2020-12-22 11:26:29,295 INFO L78 Accepts]: Start accepts. Automaton has 10251 states and 46267 transitions. Word has length 25 [2020-12-22 11:26:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:29,295 INFO L481 AbstractCegarLoop]: Abstraction has 10251 states and 46267 transitions. [2020-12-22 11:26:29,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 10251 states and 46267 transitions. [2020-12-22 11:26:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:29,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:29,300 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:29,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:29,501 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]=== [2020-12-22 11:26:29,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:29,502 INFO L82 PathProgramCache]: Analyzing trace with hash 831024779, now seen corresponding path program 4 times [2020-12-22 11:26:29,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:29,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252231943] [2020-12-22 11:26:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:29,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252231943] [2020-12-22 11:26:29,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657959590] [2020-12-22 11:26:29,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:29,960 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 11:26:29,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:29,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:29,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:30,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:26:30,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2020-12-22 11:26:30,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088486831] [2020-12-22 11:26:30,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 11:26:30,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:30,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 11:26:30,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:26:30,477 INFO L87 Difference]: Start difference. First operand 10251 states and 46267 transitions. Second operand 25 states. [2020-12-22 11:26:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:37,669 INFO L93 Difference]: Finished difference Result 39098 states and 148134 transitions. [2020-12-22 11:26:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2020-12-22 11:26:37,670 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2020-12-22 11:26:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:37,792 INFO L225 Difference]: With dead ends: 39098 [2020-12-22 11:26:37,792 INFO L226 Difference]: Without dead ends: 39041 [2020-12-22 11:26:37,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4333 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2354, Invalid=9856, Unknown=0, NotChecked=0, Total=12210 [2020-12-22 11:26:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39041 states. [2020-12-22 11:26:38,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39041 to 10299. [2020-12-22 11:26:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10299 states. [2020-12-22 11:26:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 46501 transitions. [2020-12-22 11:26:38,565 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 46501 transitions. Word has length 25 [2020-12-22 11:26:38,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:38,566 INFO L481 AbstractCegarLoop]: Abstraction has 10299 states and 46501 transitions. [2020-12-22 11:26:38,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 11:26:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 46501 transitions. [2020-12-22 11:26:38,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:38,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:38,569 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:38,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:38,771 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]=== [2020-12-22 11:26:38,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:38,772 INFO L82 PathProgramCache]: Analyzing trace with hash 831028003, now seen corresponding path program 2 times [2020-12-22 11:26:38,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:38,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808824925] [2020-12-22 11:26:38,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:38,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808824925] [2020-12-22 11:26:38,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170864524] [2020-12-22 11:26:38,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:39,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-22 11:26:39,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:39,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:39,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:39,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:39,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:39,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223684327] [2020-12-22 11:26:39,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:39,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:39,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:39,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:39,769 INFO L87 Difference]: Start difference. First operand 10299 states and 46501 transitions. Second operand 9 states. [2020-12-22 11:26:41,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:41,582 INFO L93 Difference]: Finished difference Result 31570 states and 122547 transitions. [2020-12-22 11:26:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:41,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:41,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:41,674 INFO L225 Difference]: With dead ends: 31570 [2020-12-22 11:26:41,674 INFO L226 Difference]: Without dead ends: 31537 [2020-12-22 11:26:41,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:42,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31537 states. [2020-12-22 11:26:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31537 to 10244. [2020-12-22 11:26:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10244 states. [2020-12-22 11:26:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10244 states to 10244 states and 46203 transitions. [2020-12-22 11:26:42,379 INFO L78 Accepts]: Start accepts. Automaton has 10244 states and 46203 transitions. Word has length 25 [2020-12-22 11:26:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:42,380 INFO L481 AbstractCegarLoop]: Abstraction has 10244 states and 46203 transitions. [2020-12-22 11:26:42,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 10244 states and 46203 transitions. [2020-12-22 11:26:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:42,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:42,384 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:42,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:42,585 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]=== [2020-12-22 11:26:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:42,586 INFO L82 PathProgramCache]: Analyzing trace with hash 557378584, now seen corresponding path program 5 times [2020-12-22 11:26:42,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:42,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081396012] [2020-12-22 11:26:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:42,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081396012] [2020-12-22 11:26:42,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557242918] [2020-12-22 11:26:42,782 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:43,023 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-22 11:26:43,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:43,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:43,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:43,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:26:43,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2020-12-22 11:26:43,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301243657] [2020-12-22 11:26:43,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 11:26:43,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:43,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 11:26:43,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:26:43,598 INFO L87 Difference]: Start difference. First operand 10244 states and 46203 transitions. Second operand 25 states. [2020-12-22 11:26:50,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:50,841 INFO L93 Difference]: Finished difference Result 39166 states and 148792 transitions. [2020-12-22 11:26:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2020-12-22 11:26:50,842 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2020-12-22 11:26:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:50,962 INFO L225 Difference]: With dead ends: 39166 [2020-12-22 11:26:50,962 INFO L226 Difference]: Without dead ends: 39120 [2020-12-22 11:26:50,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4774 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2507, Invalid=10833, Unknown=0, NotChecked=0, Total=13340 [2020-12-22 11:26:51,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39120 states. [2020-12-22 11:26:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39120 to 10032. [2020-12-22 11:26:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10032 states. [2020-12-22 11:26:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 45208 transitions. [2020-12-22 11:26:51,717 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 45208 transitions. Word has length 25 [2020-12-22 11:26:51,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:51,717 INFO L481 AbstractCegarLoop]: Abstraction has 10032 states and 45208 transitions. [2020-12-22 11:26:51,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 11:26:51,718 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 45208 transitions. [2020-12-22 11:26:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:51,721 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:51,721 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:51,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2020-12-22 11:26:51,927 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]=== [2020-12-22 11:26:51,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash 574133464, now seen corresponding path program 6 times [2020-12-22 11:26:51,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:51,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77210595] [2020-12-22 11:26:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:52,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77210595] [2020-12-22 11:26:52,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913977441] [2020-12-22 11:26:52,236 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:52,457 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2020-12-22 11:26:52,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:52,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:52,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:52,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:52,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:52,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240992860] [2020-12-22 11:26:52,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:52,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:52,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:52,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:52,794 INFO L87 Difference]: Start difference. First operand 10032 states and 45208 transitions. Second operand 9 states. [2020-12-22 11:26:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:54,570 INFO L93 Difference]: Finished difference Result 31191 states and 120629 transitions. [2020-12-22 11:26:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:54,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:54,657 INFO L225 Difference]: With dead ends: 31191 [2020-12-22 11:26:54,657 INFO L226 Difference]: Without dead ends: 31163 [2020-12-22 11:26:54,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31163 states. [2020-12-22 11:26:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31163 to 9737. [2020-12-22 11:26:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9737 states. [2020-12-22 11:26:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 43850 transitions. [2020-12-22 11:26:55,365 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 43850 transitions. Word has length 25 [2020-12-22 11:26:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:55,365 INFO L481 AbstractCegarLoop]: Abstraction has 9737 states and 43850 transitions. [2020-12-22 11:26:55,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 43850 transitions. [2020-12-22 11:26:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:55,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:55,370 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:55,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:55,571 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]=== [2020-12-22 11:26:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:55,572 INFO L82 PathProgramCache]: Analyzing trace with hash 574151971, now seen corresponding path program 3 times [2020-12-22 11:26:55,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:55,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481552790] [2020-12-22 11:26:55,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:55,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481552790] [2020-12-22 11:26:55,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369305896] [2020-12-22 11:26:55,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:56,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-12-22 11:26:56,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:56,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:56,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:26:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:26:56,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:26:56,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:26:56,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376735746] [2020-12-22 11:26:56,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:26:56,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:26:56,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:26:56,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:26:56,468 INFO L87 Difference]: Start difference. First operand 9737 states and 43850 transitions. Second operand 9 states. [2020-12-22 11:26:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:26:58,228 INFO L93 Difference]: Finished difference Result 31014 states and 120075 transitions. [2020-12-22 11:26:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:26:58,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:26:58,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:26:58,315 INFO L225 Difference]: With dead ends: 31014 [2020-12-22 11:26:58,315 INFO L226 Difference]: Without dead ends: 30988 [2020-12-22 11:26:58,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:26:58,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30988 states. [2020-12-22 11:26:58,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30988 to 9643. [2020-12-22 11:26:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9643 states. [2020-12-22 11:26:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 43388 transitions. [2020-12-22 11:26:59,004 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 43388 transitions. Word has length 25 [2020-12-22 11:26:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:26:59,005 INFO L481 AbstractCegarLoop]: Abstraction has 9643 states and 43388 transitions. [2020-12-22 11:26:59,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:26:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 43388 transitions. [2020-12-22 11:26:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:26:59,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:26:59,008 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:26:59,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:59,210 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]=== [2020-12-22 11:26:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:26:59,211 INFO L82 PathProgramCache]: Analyzing trace with hash 575163811, now seen corresponding path program 4 times [2020-12-22 11:26:59,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:26:59,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121449234] [2020-12-22 11:26:59,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:26:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:26:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:26:59,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121449234] [2020-12-22 11:26:59,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591255957] [2020-12-22 11:26:59,419 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:26:59,669 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-22 11:26:59,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:26:59,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:26:59,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:27:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:00,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 11:27:00,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2020-12-22 11:27:00,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178648636] [2020-12-22 11:27:00,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-22 11:27:00,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:00,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-22 11:27:00,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2020-12-22 11:27:00,163 INFO L87 Difference]: Start difference. First operand 9643 states and 43388 transitions. Second operand 25 states. [2020-12-22 11:27:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:07,610 INFO L93 Difference]: Finished difference Result 39082 states and 148557 transitions. [2020-12-22 11:27:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-12-22 11:27:07,611 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2020-12-22 11:27:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:07,721 INFO L225 Difference]: With dead ends: 39082 [2020-12-22 11:27:07,722 INFO L226 Difference]: Without dead ends: 39025 [2020-12-22 11:27:07,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4566 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2442, Invalid=10440, Unknown=0, NotChecked=0, Total=12882 [2020-12-22 11:27:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39025 states. [2020-12-22 11:27:08,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39025 to 9531. [2020-12-22 11:27:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9531 states. [2020-12-22 11:27:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9531 states to 9531 states and 42888 transitions. [2020-12-22 11:27:08,499 INFO L78 Accepts]: Start accepts. Automaton has 9531 states and 42888 transitions. Word has length 25 [2020-12-22 11:27:08,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:08,499 INFO L481 AbstractCegarLoop]: Abstraction has 9531 states and 42888 transitions. [2020-12-22 11:27:08,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-22 11:27:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 9531 states and 42888 transitions. [2020-12-22 11:27:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:27:08,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:08,503 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:08,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2020-12-22 11:27:08,704 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]=== [2020-12-22 11:27:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:08,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1786648139, now seen corresponding path program 5 times [2020-12-22 11:27:08,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:08,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032536075] [2020-12-22 11:27:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:08,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032536075] [2020-12-22 11:27:08,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942946518] [2020-12-22 11:27:08,908 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:09,147 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-22 11:27:09,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:27:09,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:27:09,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:27:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:27:09,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:27:09,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:27:09,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674607342] [2020-12-22 11:27:09,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:27:09,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:09,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:27:09,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:27:09,500 INFO L87 Difference]: Start difference. First operand 9531 states and 42888 transitions. Second operand 9 states. [2020-12-22 11:27:11,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:11,470 INFO L93 Difference]: Finished difference Result 31114 states and 120473 transitions. [2020-12-22 11:27:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:27:11,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:27:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:11,549 INFO L225 Difference]: With dead ends: 31114 [2020-12-22 11:27:11,549 INFO L226 Difference]: Without dead ends: 31088 [2020-12-22 11:27:11,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:27:11,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31088 states. [2020-12-22 11:27:12,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31088 to 9368. [2020-12-22 11:27:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9368 states. [2020-12-22 11:27:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9368 states to 9368 states and 42129 transitions. [2020-12-22 11:27:12,258 INFO L78 Accepts]: Start accepts. Automaton has 9368 states and 42129 transitions. Word has length 25 [2020-12-22 11:27:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:12,258 INFO L481 AbstractCegarLoop]: Abstraction has 9368 states and 42129 transitions. [2020-12-22 11:27:12,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:27:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9368 states and 42129 transitions. [2020-12-22 11:27:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:27:12,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:12,261 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:12,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:12,462 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]=== [2020-12-22 11:27:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:12,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1803403019, now seen corresponding path program 6 times [2020-12-22 11:27:12,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:12,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442495417] [2020-12-22 11:27:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:12,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442495417] [2020-12-22 11:27:12,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205570191] [2020-12-22 11:27:12,697 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:12,918 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2020-12-22 11:27:12,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:27:12,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:27:12,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:27:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:27:13,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:27:13,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:27:13,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372952601] [2020-12-22 11:27:13,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:27:13,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:13,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:27:13,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:27:13,256 INFO L87 Difference]: Start difference. First operand 9368 states and 42129 transitions. Second operand 9 states. [2020-12-22 11:27:13,994 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-22 11:27:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:15,157 INFO L93 Difference]: Finished difference Result 30701 states and 118720 transitions. [2020-12-22 11:27:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:27:15,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:27:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:15,243 INFO L225 Difference]: With dead ends: 30701 [2020-12-22 11:27:15,243 INFO L226 Difference]: Without dead ends: 30668 [2020-12-22 11:27:15,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:27:15,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30668 states. [2020-12-22 11:27:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30668 to 9053. [2020-12-22 11:27:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9053 states. [2020-12-22 11:27:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9053 states to 9053 states and 40718 transitions. [2020-12-22 11:27:16,099 INFO L78 Accepts]: Start accepts. Automaton has 9053 states and 40718 transitions. Word has length 25 [2020-12-22 11:27:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:16,099 INFO L481 AbstractCegarLoop]: Abstraction has 9053 states and 40718 transitions. [2020-12-22 11:27:16,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:27:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 9053 states and 40718 transitions. [2020-12-22 11:27:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:27:16,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:16,104 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:16,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71 [2020-12-22 11:27:16,336 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]=== [2020-12-22 11:27:16,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:16,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1803406243, now seen corresponding path program 5 times [2020-12-22 11:27:16,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:16,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485583600] [2020-12-22 11:27:16,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:16,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485583600] [2020-12-22 11:27:16,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055137478] [2020-12-22 11:27:16,574 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:16,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-22 11:27:16,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:27:16,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:27:16,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:27:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:27:17,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:27:17,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:27:17,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296522212] [2020-12-22 11:27:17,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:27:17,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:17,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:27:17,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:27:17,170 INFO L87 Difference]: Start difference. First operand 9053 states and 40718 transitions. Second operand 9 states. [2020-12-22 11:27:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:19,163 INFO L93 Difference]: Finished difference Result 30236 states and 116809 transitions. [2020-12-22 11:27:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:27:19,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:27:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:19,260 INFO L225 Difference]: With dead ends: 30236 [2020-12-22 11:27:19,260 INFO L226 Difference]: Without dead ends: 30210 [2020-12-22 11:27:19,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:27:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30210 states. [2020-12-22 11:27:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30210 to 8951. [2020-12-22 11:27:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2020-12-22 11:27:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40236 transitions. [2020-12-22 11:27:19,927 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40236 transitions. Word has length 25 [2020-12-22 11:27:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:19,928 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40236 transitions. [2020-12-22 11:27:19,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:27:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40236 transitions. [2020-12-22 11:27:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 11:27:19,933 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:19,933 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:20,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:20,148 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]=== [2020-12-22 11:27:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1789746403, now seen corresponding path program 6 times [2020-12-22 11:27:20,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:20,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427210353] [2020-12-22 11:27:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:20,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427210353] [2020-12-22 11:27:20,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836438017] [2020-12-22 11:27:20,368 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:20,593 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2020-12-22 11:27:20,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-22 11:27:20,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-22 11:27:20,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:27:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-22 11:27:20,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 11:27:20,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 19 [2020-12-22 11:27:20,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827624010] [2020-12-22 11:27:20,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 11:27:20,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:20,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 11:27:20,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-12-22 11:27:20,945 INFO L87 Difference]: Start difference. First operand 8951 states and 40236 transitions. Second operand 9 states. [2020-12-22 11:27:22,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:22,995 INFO L93 Difference]: Finished difference Result 29960 states and 115617 transitions. [2020-12-22 11:27:22,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-12-22 11:27:22,996 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-12-22 11:27:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:23,086 INFO L225 Difference]: With dead ends: 29960 [2020-12-22 11:27:23,086 INFO L226 Difference]: Without dead ends: 29927 [2020-12-22 11:27:23,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-12-22 11:27:23,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29927 states. [2020-12-22 11:27:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29927 to 8560. [2020-12-22 11:27:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2020-12-22 11:27:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2020-12-22 11:27:23,793 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2020-12-22 11:27:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:23,794 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2020-12-22 11:27:23,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 11:27:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2020-12-22 11:27:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 11:27:23,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:23,798 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:23,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:27:23,999 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]=== [2020-12-22 11:27:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:24,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1513513479, now seen corresponding path program 1 times [2020-12-22 11:27:24,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:24,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568698381] [2020-12-22 11:27:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:27:24,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:27:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 11:27:24,042 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 11:27:24,052 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 11:27:24,053 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 11:27:24,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-12-22 11:27:24,053 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-12-22 11:27:24,053 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-12-22 11:27:24,103 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,104 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,105 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,107 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,108 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,129 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,129 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,129 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,129 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,129 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,131 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,132 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,135 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,135 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,137 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,137 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,155 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-22 11:27:24,161 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-22 11:27:24,161 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-22 11:27:24,162 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:27:24,162 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:27:24,162 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:27:24,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:27:24,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:27:24,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:27:24,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:27:24,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:27:24,164 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-22 11:27:24,164 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 148 transitions, 416 flow [2020-12-22 11:27:24,164 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 148 transitions, 416 flow [2020-12-22 11:27:24,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 148 transitions, 416 flow [2020-12-22 11:27:24,191 INFO L129 PetriNetUnfolder]: 9/178 cut-off events. [2020-12-22 11:27:24,191 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-12-22 11:27:24,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 178 events. 9/178 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 291 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 213. Up to 14 conditions per place. [2020-12-22 11:27:24,199 INFO L116 LiptonReduction]: Number of co-enabled transitions 2940 [2020-12-22 11:27:27,606 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-22 11:27:29,953 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:27:30,209 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-22 11:27:30,860 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 11:27:31,069 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-22 11:27:31,623 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:27:31,757 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-22 11:27:31,904 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-22 11:27:32,089 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-22 11:27:32,644 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-12-22 11:27:32,889 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-22 11:27:33,500 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-12-22 11:27:33,771 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-12-22 11:27:33,775 INFO L131 LiptonReduction]: Checked pairs total: 5258 [2020-12-22 11:27:33,775 INFO L133 LiptonReduction]: Total number of compositions: 135 [2020-12-22 11:27:33,776 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2020-12-22 11:27:35,349 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2020-12-22 11:27:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2020-12-22 11:27:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 11:27:35,350 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:35,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 11:27:35,350 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]=== [2020-12-22 11:27:35,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:35,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1408665, now seen corresponding path program 1 times [2020-12-22 11:27:35,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:35,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272919723] [2020-12-22 11:27:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:35,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272919723] [2020-12-22 11:27:35,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:27:35,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-22 11:27:35,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366885469] [2020-12-22 11:27:35,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:27:35,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:35,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:27:35,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:27:35,374 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2020-12-22 11:27:35,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:27:35,628 INFO L93 Difference]: Finished difference Result 17885 states and 92755 transitions. [2020-12-22 11:27:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:27:35,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 11:27:35,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:27:35,687 INFO L225 Difference]: With dead ends: 17885 [2020-12-22 11:27:35,687 INFO L226 Difference]: Without dead ends: 16791 [2020-12-22 11:27:35,687 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 [2020-12-22 11:27:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16791 states. [2020-12-22 11:27:36,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16791 to 16791. [2020-12-22 11:27:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2020-12-22 11:27:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2020-12-22 11:27:36,683 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2020-12-22 11:27:36,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:27:36,683 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2020-12-22 11:27:36,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:27:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2020-12-22 11:27:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-22 11:27:36,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:27:36,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:27:36,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-12-22 11:27:36,683 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]=== [2020-12-22 11:27:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:27:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1428828959, now seen corresponding path program 1 times [2020-12-22 11:27:36,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:27:36,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098308081] [2020-12-22 11:27:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:27:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:27:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:27:36,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098308081] [2020-12-22 11:27:36,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:27:36,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:27:36,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429541996] [2020-12-22 11:27:36,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:27:36,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:27:36,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:27:36,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:27:36,777 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states.