/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-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:47:37,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:47:37,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:47:37,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:47:37,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:47:37,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:47:37,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:47:37,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:47:37,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:47:37,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:47:37,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:47:37,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:47:37,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:47:37,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:47:37,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:47:37,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:47:37,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:47:37,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:47:37,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:47:37,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:47:37,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:47:37,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:47:37,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:47:37,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:47:37,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:47:37,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:47:37,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:47:37,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:47:37,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:47:37,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:47:37,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:47:37,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:47:37,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:47:37,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:47:37,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:47:37,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:47:37,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:47:37,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:47:37,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:47:37,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:47:37,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:47:37,329 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-SP.epf [2020-10-22 02:47:37,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:47:37,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:47:37,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:47:37,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:47:37,367 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:47:37,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:47:37,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:47:37,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:47:37,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:47:37,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:47:37,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:47:37,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:47:37,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:47:37,370 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:47:37,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:47:37,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:47:37,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:47:37,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:47:37,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:47:37,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:47:37,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:47:37,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:47:37,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:47:37,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:47:37,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:47:37,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:47:37,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:47:37,373 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:47:37,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:47:37,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:47:37,374 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:47:37,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:47:37,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:47:37,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:47:37,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:47:37,675 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:47:37,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2020-10-22 02:47:37,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a759479/5d6b58230a9742919f2f1e5179ae0be4/FLAG15131bc66 [2020-10-22 02:47:38,390 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:47:38,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2020-10-22 02:47:38,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a759479/5d6b58230a9742919f2f1e5179ae0be4/FLAG15131bc66 [2020-10-22 02:47:38,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4a759479/5d6b58230a9742919f2f1e5179ae0be4 [2020-10-22 02:47:38,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:47:38,627 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:47:38,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:47:38,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:47:38,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:47:38,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:47:38" (1/1) ... [2020-10-22 02:47:38,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45290e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:38, skipping insertion in model container [2020-10-22 02:47:38,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:47:38" (1/1) ... [2020-10-22 02:47:38,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:47:38,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:47:39,429 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,430 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,431 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,432 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:47:39,521 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:47:39,589 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,589 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,590 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,590 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:39,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:47:39,785 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:47:39,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39 WrapperNode [2020-10-22 02:47:39,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:47:39,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:47:39,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:47:39,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:47:39,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:47:39,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:47:39,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:47:39,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:47:39,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (1/1) ... [2020-10-22 02:47:39,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:47:39,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:47:39,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:47:39,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:47:39,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (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 02:47:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:47:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 02:47:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:47:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:47:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:47:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:47:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 02:47:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 02:47:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 02:47:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 02:47:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:47:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:47:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:47:39,990 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 02:47:40,636 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:47:40,637 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-22 02:47:40,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:47:40 BoogieIcfgContainer [2020-10-22 02:47:40,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:47:40,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:47:40,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:47:40,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:47:40,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:47:38" (1/3) ... [2020-10-22 02:47:40,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b82ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:47:40, skipping insertion in model container [2020-10-22 02:47:40,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:39" (2/3) ... [2020-10-22 02:47:40,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b82ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:47:40, skipping insertion in model container [2020-10-22 02:47:40,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:47:40" (3/3) ... [2020-10-22 02:47:40,648 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2020-10-22 02:47:40,661 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:47:40,662 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:47:40,671 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:47:40,672 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:47:40,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,720 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,721 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,722 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,725 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,726 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,726 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,726 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,726 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,726 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,727 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,733 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,733 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,742 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,742 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,742 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~3.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem13.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,745 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,746 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,747 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,748 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:40,757 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 02:47:40,772 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:47:40,795 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:47:40,795 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:47:40,795 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:47:40,795 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:47:40,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:47:40,796 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:47:40,796 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:47:40,796 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:47:40,816 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:47:40,817 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 230 transitions, 468 flow [2020-10-22 02:47:40,820 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 230 transitions, 468 flow [2020-10-22 02:47:40,822 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 205 places, 230 transitions, 468 flow [2020-10-22 02:47:40,906 INFO L129 PetriNetUnfolder]: 30/244 cut-off events. [2020-10-22 02:47:40,906 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-22 02:47:40,914 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 244 events. 30/244 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 529 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 130. Up to 4 conditions per place. [2020-10-22 02:47:40,920 INFO L116 LiptonReduction]: Number of co-enabled transitions 3382 [2020-10-22 02:47:41,590 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 02:47:41,616 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:41,618 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:41,619 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 02:47:41,809 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 02:47:41,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:41,833 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:41,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 02:47:42,898 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-22 02:47:42,922 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 02:47:42,991 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:42,992 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 02:47:42,993 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:225, output treesize:236 [2020-10-22 02:47:44,058 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 02:47:44,088 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:44,089 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:44,090 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:80 [2020-10-22 02:47:44,258 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 02:47:44,301 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:44,310 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 02:47:44,342 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:44,344 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 02:47:44,345 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-22 02:47:44,797 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-10-22 02:47:45,054 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-10-22 02:47:45,743 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-22 02:47:45,762 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 02:47:45,825 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:45,826 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 02:47:45,827 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:147, output treesize:135 [2020-10-22 02:47:46,204 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-22 02:47:46,474 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-22 02:47:46,814 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-22 02:47:46,940 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-22 02:47:47,243 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-22 02:47:47,421 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-22 02:47:51,858 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 141 [2020-10-22 02:47:51,932 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 02:47:56,178 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 131 [2020-10-22 02:47:56,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:56,183 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:56,183 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:871, output treesize:1065 [2020-10-22 02:48:00,838 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 131 [2020-10-22 02:48:01,035 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-22 02:48:06,609 WARN L193 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 02:48:11,959 WARN L193 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 02:48:12,027 INFO L131 LiptonReduction]: Checked pairs total: 3502 [2020-10-22 02:48:12,027 INFO L133 LiptonReduction]: Total number of compositions: 232 [2020-10-22 02:48:12,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2020-10-22 02:48:12,050 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 107 states. [2020-10-22 02:48:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-22 02:48:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:48:12,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:12,062 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 02:48:12,062 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:12,069 INFO L82 PathProgramCache]: Analyzing trace with hash -2000266626, now seen corresponding path program 1 times [2020-10-22 02:48:12,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:12,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843496936] [2020-10-22 02:48:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:48:12,348 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 02:48:12,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843496936] [2020-10-22 02:48:12,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:48:12,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:48:12,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1695286590] [2020-10-22 02:48:12,352 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:12,357 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:12,374 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:48:12,375 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:12,379 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:12,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:48:12,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:12,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:48:12,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:48:12,394 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-10-22 02:48:12,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:12,567 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2020-10-22 02:48:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:48:12,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:48:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:12,584 INFO L225 Difference]: With dead ends: 109 [2020-10-22 02:48:12,584 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 02:48:12,586 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 02:48:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 02:48:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2020-10-22 02:48:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-22 02:48:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 198 transitions. [2020-10-22 02:48:12,635 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 198 transitions. Word has length 7 [2020-10-22 02:48:12,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:12,635 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 198 transitions. [2020-10-22 02:48:12,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:48:12,636 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2020-10-22 02:48:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:48:12,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:12,636 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:48:12,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:48:12,637 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:12,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1721594886, now seen corresponding path program 1 times [2020-10-22 02:48:12,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:12,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789147612] [2020-10-22 02:48:12,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:48:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:48:12,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789147612] [2020-10-22 02:48:12,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:48:12,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:48:12,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1332430533] [2020-10-22 02:48:12,725 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:12,727 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:12,729 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:48:12,730 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:12,730 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:12,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:48:12,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:12,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:48:12,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:48:12,733 INFO L87 Difference]: Start difference. First operand 101 states and 198 transitions. Second operand 3 states. [2020-10-22 02:48:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:12,947 INFO L93 Difference]: Finished difference Result 102 states and 199 transitions. [2020-10-22 02:48:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:48:12,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:48:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:12,950 INFO L225 Difference]: With dead ends: 102 [2020-10-22 02:48:12,950 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 02:48:12,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 02:48:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 02:48:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-22 02:48:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-22 02:48:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 199 transitions. [2020-10-22 02:48:12,963 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 199 transitions. Word has length 9 [2020-10-22 02:48:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:12,964 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 199 transitions. [2020-10-22 02:48:12,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:48:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2020-10-22 02:48:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:48:12,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:12,965 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:48:12,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:48:12,965 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:12,966 INFO L82 PathProgramCache]: Analyzing trace with hash -654064836, now seen corresponding path program 1 times [2020-10-22 02:48:12,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:12,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692165403] [2020-10-22 02:48:12,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:12,994 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:48:12,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629985656] [2020-10-22 02:48:12,995 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 02:48:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:48:13,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:48:13,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:48:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:48:13,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692165403] [2020-10-22 02:48:13,145 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:48:13,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629985656] [2020-10-22 02:48:13,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:48:13,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-22 02:48:13,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [8245112] [2020-10-22 02:48:13,146 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:13,148 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:13,151 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:48:13,152 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:13,152 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:13,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:48:13,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:13,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:48:13,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:48:13,153 INFO L87 Difference]: Start difference. First operand 102 states and 199 transitions. Second operand 4 states. [2020-10-22 02:48:13,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:13,386 INFO L93 Difference]: Finished difference Result 103 states and 200 transitions. [2020-10-22 02:48:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:48:13,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:48:13,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:13,392 INFO L225 Difference]: With dead ends: 103 [2020-10-22 02:48:13,392 INFO L226 Difference]: Without dead ends: 103 [2020-10-22 02:48:13,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 02:48:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-22 02:48:13,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-22 02:48:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-22 02:48:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 200 transitions. [2020-10-22 02:48:13,404 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 200 transitions. Word has length 10 [2020-10-22 02:48:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:13,404 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 200 transitions. [2020-10-22 02:48:13,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:48:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2020-10-22 02:48:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:48:13,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:13,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:48:13,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 02:48:13,617 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:13,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:13,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1920371654, now seen corresponding path program 2 times [2020-10-22 02:48:13,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:13,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449653755] [2020-10-22 02:48:13,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:13,669 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:48:13,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276576613] [2020-10-22 02:48:13,670 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 02:48:13,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 02:48:13,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:48:13,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 02:48:13,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:48:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:48:13,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449653755] [2020-10-22 02:48:13,818 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:48:13,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276576613] [2020-10-22 02:48:13,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:48:13,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-22 02:48:13,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1648013387] [2020-10-22 02:48:13,819 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:13,822 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:13,825 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 02:48:13,826 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:13,826 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:13,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:48:13,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:13,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:48:13,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:48:13,827 INFO L87 Difference]: Start difference. First operand 103 states and 200 transitions. Second operand 5 states. [2020-10-22 02:48:14,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:14,206 INFO L93 Difference]: Finished difference Result 104 states and 201 transitions. [2020-10-22 02:48:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:48:14,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 02:48:14,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:14,209 INFO L225 Difference]: With dead ends: 104 [2020-10-22 02:48:14,209 INFO L226 Difference]: Without dead ends: 104 [2020-10-22 02:48:14,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 02:48:14,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-22 02:48:14,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-22 02:48:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-22 02:48:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 201 transitions. [2020-10-22 02:48:14,228 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 201 transitions. Word has length 11 [2020-10-22 02:48:14,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:14,231 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 201 transitions. [2020-10-22 02:48:14,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:48:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-10-22 02:48:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:48:14,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:14,232 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:48:14,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:48:14,448 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:14,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:14,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1773789948, now seen corresponding path program 3 times [2020-10-22 02:48:14,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:14,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843617972] [2020-10-22 02:48:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:14,469 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:48:14,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135063354] [2020-10-22 02:48:14,469 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 02:48:14,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-22 02:48:14,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:48:14,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:48:14,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:48:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 02:48:14,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843617972] [2020-10-22 02:48:14,632 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:48:14,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135063354] [2020-10-22 02:48:14,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:48:14,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-22 02:48:14,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [265324850] [2020-10-22 02:48:14,635 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:14,640 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:14,646 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 02:48:14,646 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:14,647 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:14,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:48:14,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:14,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:48:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:48:14,649 INFO L87 Difference]: Start difference. First operand 104 states and 201 transitions. Second operand 4 states. [2020-10-22 02:48:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:15,031 INFO L93 Difference]: Finished difference Result 113 states and 212 transitions. [2020-10-22 02:48:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:48:15,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 02:48:15,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:15,045 INFO L225 Difference]: With dead ends: 113 [2020-10-22 02:48:15,046 INFO L226 Difference]: Without dead ends: 113 [2020-10-22 02:48:15,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 02:48:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-22 02:48:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2020-10-22 02:48:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-22 02:48:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2020-10-22 02:48:15,053 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 12 [2020-10-22 02:48:15,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:15,054 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2020-10-22 02:48:15,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:48:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2020-10-22 02:48:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:48:15,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:15,058 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 02:48:15,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:48:15,274 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash 314439998, now seen corresponding path program 4 times [2020-10-22 02:48:15,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:15,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452539063] [2020-10-22 02:48:15,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:15,320 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:48:15,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565421944] [2020-10-22 02:48:15,321 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 02:48:15,528 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 02:48:15,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:48:15,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 02:48:15,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:48:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-22 02:48:15,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452539063] [2020-10-22 02:48:15,568 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:48:15,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565421944] [2020-10-22 02:48:15,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:48:15,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-22 02:48:15,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [262524829] [2020-10-22 02:48:15,569 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:48:15,574 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:48:15,582 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 02:48:15,582 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:48:15,582 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:48:15,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:48:15,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:48:15,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:48:15,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:48:15,584 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand 6 states. [2020-10-22 02:48:16,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:48:16,083 INFO L93 Difference]: Finished difference Result 111 states and 209 transitions. [2020-10-22 02:48:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:48:16,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-22 02:48:16,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:48:16,086 INFO L225 Difference]: With dead ends: 111 [2020-10-22 02:48:16,086 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 02:48:16,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 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 02:48:16,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 02:48:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 02:48:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 02:48:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 209 transitions. [2020-10-22 02:48:16,093 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 209 transitions. Word has length 17 [2020-10-22 02:48:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:48:16,093 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 209 transitions. [2020-10-22 02:48:16,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:48:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2020-10-22 02:48:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:48:16,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:48:16,095 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 02:48:16,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:48:16,309 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:48:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:48:16,310 INFO L82 PathProgramCache]: Analyzing trace with hash 315740534, now seen corresponding path program 5 times [2020-10-22 02:48:16,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:48:16,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626287215] [2020-10-22 02:48:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:48:16,329 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:48:16,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975894274] [2020-10-22 02:48:16,330 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 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown