/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:06:30,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:06:30,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:06:30,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:06:30,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:06:30,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:06:30,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:06:30,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:06:30,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:06:30,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:06:30,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:06:30,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:06:30,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:06:30,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:06:30,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:06:30,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:06:30,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:06:30,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:06:30,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:06:30,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:06:30,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:06:30,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:06:30,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:06:30,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:06:30,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:06:30,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:06:30,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:06:30,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:06:30,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:06:30,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:06:30,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:06:30,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:06:30,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:06:30,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:06:30,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:06:30,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:06:30,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:06:30,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:06:30,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:06:30,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:06:30,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:06:30,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 01:06:30,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:06:30,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:06:30,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:06:30,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:06:30,228 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:06:30,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:06:30,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:06:30,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:06:30,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:06:30,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:06:30,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:06:30,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:06:30,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:06:30,231 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:06:30,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:06:30,231 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:06:30,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:06:30,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:06:30,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:06:30,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:06:30,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:06:30,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:06:30,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:06:30,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:06:30,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:06:30,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:06:30,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:06:30,234 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:06:30,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:06:30,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:06:30,235 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:06:30,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:06:30,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:06:30,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:06:30,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:06:30,562 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:06:30,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2020-10-22 01:06:30,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffee30c5/461bb8feed944bc5b93f157c77a0dccc/FLAG7996cd43e [2020-10-22 01:06:31,233 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:06:31,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2020-10-22 01:06:31,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffee30c5/461bb8feed944bc5b93f157c77a0dccc/FLAG7996cd43e [2020-10-22 01:06:31,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffee30c5/461bb8feed944bc5b93f157c77a0dccc [2020-10-22 01:06:31,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:06:31,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:06:31,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:06:31,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:06:31,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:06:31,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:06:31" (1/1) ... [2020-10-22 01:06:31,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704a855f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:31, skipping insertion in model container [2020-10-22 01:06:31,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:06:31" (1/1) ... [2020-10-22 01:06:31,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:06:31,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:06:32,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:06:32,258 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:06:32,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:06:32,488 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:06:32,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32 WrapperNode [2020-10-22 01:06:32,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:06:32,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:06:32,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:06:32,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:06:32,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:06:32,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:06:32,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:06:32,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:06:32,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (1/1) ... [2020-10-22 01:06:32,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:06:32,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:06:32,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:06:32,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:06:32,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (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 [2020-10-22 01:06:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:06:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 01:06:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2020-10-22 01:06:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2020-10-22 01:06:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:06:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:06:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2020-10-22 01:06:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2020-10-22 01:06:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:06:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:06:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 01:06:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 01:06:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:06:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:06:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:06:32,704 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:06:33,444 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:06:33,444 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-22 01:06:33,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:06:33 BoogieIcfgContainer [2020-10-22 01:06:33,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:06:33,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:06:33,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:06:33,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:06:33,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:06:31" (1/3) ... [2020-10-22 01:06:33,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3eef94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:06:33, skipping insertion in model container [2020-10-22 01:06:33,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:06:32" (2/3) ... [2020-10-22 01:06:33,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3eef94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:06:33, skipping insertion in model container [2020-10-22 01:06:33,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:06:33" (3/3) ... [2020-10-22 01:06:33,456 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_86-lists_racing.i [2020-10-22 01:06:33,468 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:06:33,468 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:06:33,477 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 01:06:33,479 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:06:33,522 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,522 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,522 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,522 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,523 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,523 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,523 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,523 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,524 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,524 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,524 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,524 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,524 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,525 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,525 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,525 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,525 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,525 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,526 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,526 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,526 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,526 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,526 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,527 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,528 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,528 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,528 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,528 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,528 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,529 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,529 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,529 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,529 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,529 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,530 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,530 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,530 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,530 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,530 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,531 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,531 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,531 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,531 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,531 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,532 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,533 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,533 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,533 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,533 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,533 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,534 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,534 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,534 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,534 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,534 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,535 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,535 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,535 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,535 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,535 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,536 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,537 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,537 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,537 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,537 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,537 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,538 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,538 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,538 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,538 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,538 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,539 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,539 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,539 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,539 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,539 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,540 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,540 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,540 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,540 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,540 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,541 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,541 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,541 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,541 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,542 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,542 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,542 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,542 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,543 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,543 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,543 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,543 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,543 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,544 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,544 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,544 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,544 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,544 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,545 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,545 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,545 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,545 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,545 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,546 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,546 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,546 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,546 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,546 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,547 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,548 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,548 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,548 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,548 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,548 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,549 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,549 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,549 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,549 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,549 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,550 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,550 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,551 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,554 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,554 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,554 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,555 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,555 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,555 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,556 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,557 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,558 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,558 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,558 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,558 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,558 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,559 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,559 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,559 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,559 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,560 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,561 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,562 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,563 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,564 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,564 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,564 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,564 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,564 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,565 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,566 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,567 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,567 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,567 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,567 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,567 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,568 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,568 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,568 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,568 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,568 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,572 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,572 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,573 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,573 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,573 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,573 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,573 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,574 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,574 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,574 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,574 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,574 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,575 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,575 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,575 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,575 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,575 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,576 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,576 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,576 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,576 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,576 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,577 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,577 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,577 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,577 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,577 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,578 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,578 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,578 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,578 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,578 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,579 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,580 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,580 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,580 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,580 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,580 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,587 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,587 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,587 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,588 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,589 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,589 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,589 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,589 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,590 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,591 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,591 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,591 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,591 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,591 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,592 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,592 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,592 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,592 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,592 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:06:33,602 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:06:33,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 01:06:33,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:06:33,637 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:06:33,637 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:06:33,637 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:06:33,637 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:06:33,637 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:06:33,638 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:06:33,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:06:33,657 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:06:33,658 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 219 transitions, 460 flow [2020-10-22 01:06:33,661 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 219 transitions, 460 flow [2020-10-22 01:06:33,663 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 198 places, 219 transitions, 460 flow [2020-10-22 01:06:33,795 INFO L129 PetriNetUnfolder]: 56/412 cut-off events. [2020-10-22 01:06:33,795 INFO L130 PetriNetUnfolder]: For 8/16 co-relation queries the response was YES. [2020-10-22 01:06:33,807 INFO L80 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 412 events. 56/412 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1689 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 202. Up to 8 conditions per place. [2020-10-22 01:06:33,827 INFO L116 LiptonReduction]: Number of co-enabled transitions 14940 [2020-10-22 01:06:36,527 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:06:36,576 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:06:36,581 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:06:36,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:06:36,607 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 01:06:36,607 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:67 [2020-10-22 01:06:37,490 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-22 01:06:37,666 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 01:06:37,704 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:06:37,705 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 01:06:37,706 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:145, output treesize:149 [2020-10-22 01:06:38,102 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-22 01:06:38,321 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 01:06:38,438 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 01:06:38,981 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2020-10-22 01:06:39,250 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-22 01:06:39,277 INFO L131 LiptonReduction]: Checked pairs total: 23285 [2020-10-22 01:06:39,277 INFO L133 LiptonReduction]: Total number of compositions: 173 [2020-10-22 01:06:39,284 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 71 transitions, 164 flow [2020-10-22 01:06:39,403 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2798 states. [2020-10-22 01:06:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states. [2020-10-22 01:06:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:06:39,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:39,413 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 01:06:39,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:39,419 INFO L82 PathProgramCache]: Analyzing trace with hash -236331958, now seen corresponding path program 1 times [2020-10-22 01:06:39,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:39,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148269637] [2020-10-22 01:06:39,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:39,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148269637] [2020-10-22 01:06:39,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:06:39,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:06:39,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [501781398] [2020-10-22 01:06:39,663 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:06:39,666 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:06:39,682 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:06:39,682 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:06:39,686 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:06:39,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:06:39,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:06:39,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:06:39,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:06:39,704 INFO L87 Difference]: Start difference. First operand 2798 states. Second operand 3 states. [2020-10-22 01:06:39,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:06:39,783 INFO L93 Difference]: Finished difference Result 2685 states and 7259 transitions. [2020-10-22 01:06:39,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:06:39,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:06:39,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:06:39,817 INFO L225 Difference]: With dead ends: 2685 [2020-10-22 01:06:39,817 INFO L226 Difference]: Without dead ends: 1665 [2020-10-22 01:06:39,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:06:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2020-10-22 01:06:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2020-10-22 01:06:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-10-22 01:06:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 4417 transitions. [2020-10-22 01:06:39,946 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 4417 transitions. Word has length 7 [2020-10-22 01:06:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:06:39,946 INFO L481 AbstractCegarLoop]: Abstraction has 1665 states and 4417 transitions. [2020-10-22 01:06:39,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:06:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 4417 transitions. [2020-10-22 01:06:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 01:06:39,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:39,947 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-22 01:06:39,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:06:39,948 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:39,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:39,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1719934395, now seen corresponding path program 1 times [2020-10-22 01:06:39,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:39,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937750343] [2020-10-22 01:06:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937750343] [2020-10-22 01:06:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670020025] [2020-10-22 01:06:40,028 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 [2020-10-22 01:06:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:40,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:06:40,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:06:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:40,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:06:40,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-22 01:06:40,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1098020156] [2020-10-22 01:06:40,164 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:06:40,165 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:06:40,167 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 01:06:40,167 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:06:40,168 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:06:40,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:06:40,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:06:40,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:06:40,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:06:40,169 INFO L87 Difference]: Start difference. First operand 1665 states and 4417 transitions. Second operand 4 states. [2020-10-22 01:06:40,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:06:40,265 INFO L93 Difference]: Finished difference Result 1666 states and 4418 transitions. [2020-10-22 01:06:40,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:06:40,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 01:06:40,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:06:40,311 INFO L225 Difference]: With dead ends: 1666 [2020-10-22 01:06:40,311 INFO L226 Difference]: Without dead ends: 1666 [2020-10-22 01:06:40,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:06:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-10-22 01:06:40,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2020-10-22 01:06:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-10-22 01:06:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 4418 transitions. [2020-10-22 01:06:40,392 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 4418 transitions. Word has length 8 [2020-10-22 01:06:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:06:40,392 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 4418 transitions. [2020-10-22 01:06:40,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:06:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 4418 transitions. [2020-10-22 01:06:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:06:40,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:40,393 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:06:40,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-22 01:06:40,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:40,608 INFO L82 PathProgramCache]: Analyzing trace with hash -2060318102, now seen corresponding path program 2 times [2020-10-22 01:06:40,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:40,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466611449] [2020-10-22 01:06:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:40,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466611449] [2020-10-22 01:06:40,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373835015] [2020-10-22 01:06:40,781 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 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 [2020-10-22 01:06:40,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:06:40,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:06:40,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:06:40,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:06:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:40,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:06:40,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-22 01:06:40,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1925779952] [2020-10-22 01:06:40,923 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:06:40,924 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:06:40,926 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:06:40,926 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:06:40,927 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:06:40,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:06:40,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:06:40,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:06:40,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:06:40,929 INFO L87 Difference]: Start difference. First operand 1666 states and 4418 transitions. Second operand 5 states. [2020-10-22 01:06:40,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:06:40,972 INFO L93 Difference]: Finished difference Result 1667 states and 4419 transitions. [2020-10-22 01:06:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:06:40,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-22 01:06:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:06:40,985 INFO L225 Difference]: With dead ends: 1667 [2020-10-22 01:06:40,986 INFO L226 Difference]: Without dead ends: 1667 [2020-10-22 01:06:40,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:06:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-10-22 01:06:41,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2020-10-22 01:06:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2020-10-22 01:06:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 4419 transitions. [2020-10-22 01:06:41,075 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 4419 transitions. Word has length 9 [2020-10-22 01:06:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:06:41,075 INFO L481 AbstractCegarLoop]: Abstraction has 1667 states and 4419 transitions. [2020-10-22 01:06:41,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:06:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 4419 transitions. [2020-10-22 01:06:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:06:41,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:41,076 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2020-10-22 01:06:41,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:06:41,290 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1010938779, now seen corresponding path program 3 times [2020-10-22 01:06:41,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:41,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647018821] [2020-10-22 01:06:41,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:41,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647018821] [2020-10-22 01:06:41,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033130777] [2020-10-22 01:06:41,438 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 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 [2020-10-22 01:06:41,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-22 01:06:41,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:06:41,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 01:06:41,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:06:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:41,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:06:41,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-22 01:06:41,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1048445349] [2020-10-22 01:06:41,715 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:06:41,717 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:06:41,719 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:06:41,719 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:06:41,719 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:06:41,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:06:41,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:06:41,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:06:41,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:06:41,720 INFO L87 Difference]: Start difference. First operand 1667 states and 4419 transitions. Second operand 6 states. [2020-10-22 01:06:41,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:06:41,782 INFO L93 Difference]: Finished difference Result 1668 states and 4420 transitions. [2020-10-22 01:06:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:06:41,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-22 01:06:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:06:41,793 INFO L225 Difference]: With dead ends: 1668 [2020-10-22 01:06:41,793 INFO L226 Difference]: Without dead ends: 1668 [2020-10-22 01:06:41,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:06:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-22 01:06:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2020-10-22 01:06:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-10-22 01:06:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 4420 transitions. [2020-10-22 01:06:41,842 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 4420 transitions. Word has length 10 [2020-10-22 01:06:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:06:41,843 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 4420 transitions. [2020-10-22 01:06:41,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:06:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 4420 transitions. [2020-10-22 01:06:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:06:41,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:41,844 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1] [2020-10-22 01:06:42,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:06:42,058 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:42,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:42,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1730621578, now seen corresponding path program 4 times [2020-10-22 01:06:42,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:42,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291303295] [2020-10-22 01:06:42,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:42,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291303295] [2020-10-22 01:06:42,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410119319] [2020-10-22 01:06:42,188 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 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 [2020-10-22 01:06:42,270 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:06:42,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:06:42,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 01:06:42,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:06:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:42,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:06:42,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-22 01:06:42,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1716578616] [2020-10-22 01:06:42,293 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:06:42,295 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:06:42,298 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:06:42,298 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:06:42,299 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:06:42,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:06:42,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:06:42,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:06:42,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:06:42,300 INFO L87 Difference]: Start difference. First operand 1668 states and 4420 transitions. Second operand 7 states. [2020-10-22 01:06:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:06:42,351 INFO L93 Difference]: Finished difference Result 1669 states and 4421 transitions. [2020-10-22 01:06:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:06:42,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-22 01:06:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:06:42,362 INFO L225 Difference]: With dead ends: 1669 [2020-10-22 01:06:42,363 INFO L226 Difference]: Without dead ends: 1669 [2020-10-22 01:06:42,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:06:42,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-22 01:06:42,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2020-10-22 01:06:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2020-10-22 01:06:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 4421 transitions. [2020-10-22 01:06:42,407 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 4421 transitions. Word has length 11 [2020-10-22 01:06:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:06:42,407 INFO L481 AbstractCegarLoop]: Abstraction has 1669 states and 4421 transitions. [2020-10-22 01:06:42,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:06:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 4421 transitions. [2020-10-22 01:06:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:06:42,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:06:42,409 INFO L422 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1] [2020-10-22 01:06:42,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:06:42,623 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:06:42,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:06:42,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1729015429, now seen corresponding path program 5 times [2020-10-22 01:06:42,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:06:42,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76908077] [2020-10-22 01:06:42,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:06:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:06:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:06:42,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76908077] [2020-10-22 01:06:42,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502079452] [2020-10-22 01:06:42,705 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 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 [2020-10-22 01:07:08,165 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 01:07:08,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:07:08,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 01:07:08,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:08,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:08,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-22 01:07:08,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1657580264] [2020-10-22 01:07:08,352 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:08,354 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:08,359 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 01:07:08,359 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:08,360 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:08,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 01:07:08,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:08,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 01:07:08,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:07:08,362 INFO L87 Difference]: Start difference. First operand 1669 states and 4421 transitions. Second operand 8 states. [2020-10-22 01:07:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:08,411 INFO L93 Difference]: Finished difference Result 1670 states and 4422 transitions. [2020-10-22 01:07:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 01:07:08,412 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-22 01:07:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:08,422 INFO L225 Difference]: With dead ends: 1670 [2020-10-22 01:07:08,423 INFO L226 Difference]: Without dead ends: 1670 [2020-10-22 01:07:08,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:07:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-22 01:07:08,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2020-10-22 01:07:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2020-10-22 01:07:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 4422 transitions. [2020-10-22 01:07:08,521 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 4422 transitions. Word has length 12 [2020-10-22 01:07:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:08,521 INFO L481 AbstractCegarLoop]: Abstraction has 1670 states and 4422 transitions. [2020-10-22 01:07:08,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 01:07:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 4422 transitions. [2020-10-22 01:07:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:07:08,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:08,523 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:08,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-22 01:07:08,724 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:08,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:08,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1603580246, now seen corresponding path program 6 times [2020-10-22 01:07:08,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:08,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175396775] [2020-10-22 01:07:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:08,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175396775] [2020-10-22 01:07:08,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245435296] [2020-10-22 01:07:08,869 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 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 [2020-10-22 01:07:11,307 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-10-22 01:07:11,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:07:11,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-22 01:07:11,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:11,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:11,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-22 01:07:11,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1182862061] [2020-10-22 01:07:11,360 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:11,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:11,369 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:07:11,369 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:11,370 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:11,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:07:11,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:11,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:07:11,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:07:11,371 INFO L87 Difference]: Start difference. First operand 1670 states and 4422 transitions. Second operand 9 states. [2020-10-22 01:07:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:11,431 INFO L93 Difference]: Finished difference Result 1671 states and 4423 transitions. [2020-10-22 01:07:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:07:11,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 01:07:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:11,442 INFO L225 Difference]: With dead ends: 1671 [2020-10-22 01:07:11,442 INFO L226 Difference]: Without dead ends: 1671 [2020-10-22 01:07:11,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:07:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-22 01:07:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2020-10-22 01:07:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-10-22 01:07:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 4423 transitions. [2020-10-22 01:07:11,485 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 4423 transitions. Word has length 13 [2020-10-22 01:07:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:11,485 INFO L481 AbstractCegarLoop]: Abstraction has 1671 states and 4423 transitions. [2020-10-22 01:07:11,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:07:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 4423 transitions. [2020-10-22 01:07:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:07:11,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:11,487 INFO L422 BasicCegarLoop]: trace histogram [7, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:11,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:07:11,702 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:11,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2010056869, now seen corresponding path program 7 times [2020-10-22 01:07:11,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:11,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831729270] [2020-10-22 01:07:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:11,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831729270] [2020-10-22 01:07:11,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388564099] [2020-10-22 01:07:11,813 INFO L93 rtionOrderModulation]: Changing assertion order to 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 [2020-10-22 01:07:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:11,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-22 01:07:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:11,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:11,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-22 01:07:11,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [697175190] [2020-10-22 01:07:11,948 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:11,951 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:11,956 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 01:07:11,956 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:11,956 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:11,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 01:07:11,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:11,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 01:07:11,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:07:11,957 INFO L87 Difference]: Start difference. First operand 1671 states and 4423 transitions. Second operand 10 states. [2020-10-22 01:07:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:12,018 INFO L93 Difference]: Finished difference Result 1672 states and 4424 transitions. [2020-10-22 01:07:12,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 01:07:12,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-22 01:07:12,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:12,028 INFO L225 Difference]: With dead ends: 1672 [2020-10-22 01:07:12,029 INFO L226 Difference]: Without dead ends: 1672 [2020-10-22 01:07:12,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:07:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-22 01:07:12,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-10-22 01:07:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-10-22 01:07:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 4424 transitions. [2020-10-22 01:07:12,082 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 4424 transitions. Word has length 14 [2020-10-22 01:07:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:12,083 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 4424 transitions. [2020-10-22 01:07:12,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 01:07:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 4424 transitions. [2020-10-22 01:07:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:07:12,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:12,084 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:12,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:07:12,297 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1725930294, now seen corresponding path program 8 times [2020-10-22 01:07:12,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:12,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018835730] [2020-10-22 01:07:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:12,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018835730] [2020-10-22 01:07:12,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141918089] [2020-10-22 01:07:12,477 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 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 [2020-10-22 01:07:12,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:07:12,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:07:12,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-22 01:07:12,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:12,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:12,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-22 01:07:12,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1232692756] [2020-10-22 01:07:12,633 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:12,636 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:12,643 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 01:07:12,644 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:12,644 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:12,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 01:07:12,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 01:07:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:07:12,646 INFO L87 Difference]: Start difference. First operand 1672 states and 4424 transitions. Second operand 11 states. [2020-10-22 01:07:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:12,736 INFO L93 Difference]: Finished difference Result 1673 states and 4425 transitions. [2020-10-22 01:07:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-22 01:07:12,737 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-22 01:07:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:12,747 INFO L225 Difference]: With dead ends: 1673 [2020-10-22 01:07:12,747 INFO L226 Difference]: Without dead ends: 1673 [2020-10-22 01:07:12,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:07:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-22 01:07:12,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2020-10-22 01:07:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-22 01:07:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 4425 transitions. [2020-10-22 01:07:12,800 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 4425 transitions. Word has length 15 [2020-10-22 01:07:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:12,800 INFO L481 AbstractCegarLoop]: Abstraction has 1673 states and 4425 transitions. [2020-10-22 01:07:12,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 01:07:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 4425 transitions. [2020-10-22 01:07:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 01:07:12,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:12,801 INFO L422 BasicCegarLoop]: trace histogram [9, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:13,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-22 01:07:13,016 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:13,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1507941061, now seen corresponding path program 9 times [2020-10-22 01:07:13,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:13,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000498063] [2020-10-22 01:07:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:13,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000498063] [2020-10-22 01:07:13,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53341130] [2020-10-22 01:07:13,172 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 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 [2020-10-22 01:07:52,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-22 01:07:52,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:07:53,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-22 01:07:53,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:53,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:53,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2020-10-22 01:07:53,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1598598945] [2020-10-22 01:07:53,202 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:53,206 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:53,213 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-10-22 01:07:53,213 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:53,213 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:53,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 01:07:53,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:53,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 01:07:53,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:07:53,215 INFO L87 Difference]: Start difference. First operand 1673 states and 4425 transitions. Second operand 12 states. [2020-10-22 01:07:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:53,277 INFO L93 Difference]: Finished difference Result 1674 states and 4426 transitions. [2020-10-22 01:07:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:07:53,278 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-10-22 01:07:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:53,290 INFO L225 Difference]: With dead ends: 1674 [2020-10-22 01:07:53,290 INFO L226 Difference]: Without dead ends: 1674 [2020-10-22 01:07:53,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 01:07:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-22 01:07:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2020-10-22 01:07:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-22 01:07:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 4426 transitions. [2020-10-22 01:07:53,331 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 4426 transitions. Word has length 16 [2020-10-22 01:07:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:53,331 INFO L481 AbstractCegarLoop]: Abstraction has 1674 states and 4426 transitions. [2020-10-22 01:07:53,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 01:07:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 4426 transitions. [2020-10-22 01:07:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:07:53,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:53,332 INFO L422 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:53,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:07:53,534 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:53,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:53,534 INFO L82 PathProgramCache]: Analyzing trace with hash 954757866, now seen corresponding path program 10 times [2020-10-22 01:07:53,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:53,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883982628] [2020-10-22 01:07:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:53,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883982628] [2020-10-22 01:07:53,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888803348] [2020-10-22 01:07:53,674 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 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 [2020-10-22 01:07:53,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:07:53,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:07:53,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-22 01:07:53,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:07:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:53,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:07:53,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-22 01:07:53,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [116063897] [2020-10-22 01:07:53,829 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:07:53,834 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:07:53,842 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 01:07:53,843 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:07:53,843 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:07:53,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-22 01:07:53,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:07:53,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-22 01:07:53,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-22 01:07:53,844 INFO L87 Difference]: Start difference. First operand 1674 states and 4426 transitions. Second operand 13 states. [2020-10-22 01:07:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:07:53,924 INFO L93 Difference]: Finished difference Result 1675 states and 4427 transitions. [2020-10-22 01:07:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 01:07:53,925 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2020-10-22 01:07:53,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:07:53,943 INFO L225 Difference]: With dead ends: 1675 [2020-10-22 01:07:53,943 INFO L226 Difference]: Without dead ends: 1675 [2020-10-22 01:07:53,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-22 01:07:53,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-22 01:07:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2020-10-22 01:07:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2020-10-22 01:07:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 4427 transitions. [2020-10-22 01:07:53,988 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 4427 transitions. Word has length 17 [2020-10-22 01:07:53,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:07:53,988 INFO L481 AbstractCegarLoop]: Abstraction has 1675 states and 4427 transitions. [2020-10-22 01:07:53,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-22 01:07:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 4427 transitions. [2020-10-22 01:07:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 01:07:53,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:07:53,989 INFO L422 BasicCegarLoop]: trace histogram [11, 2, 1, 1, 1, 1, 1] [2020-10-22 01:07:54,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:07:54,206 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 01:07:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:07:54,206 INFO L82 PathProgramCache]: Analyzing trace with hash -10986725, now seen corresponding path program 11 times [2020-10-22 01:07:54,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:07:54,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857385037] [2020-10-22 01:07:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:07:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:07:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 01:07:54,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857385037] [2020-10-22 01:07:54,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133356848] [2020-10-22 01:07:54,480 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 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 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown