/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 20:44:26,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 20:44:26,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 20:44:26,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 20:44:26,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 20:44:26,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 20:44:26,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 20:44:26,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 20:44:26,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 20:44:26,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 20:44:26,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 20:44:26,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 20:44:26,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 20:44:26,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 20:44:26,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 20:44:26,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 20:44:26,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 20:44:26,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 20:44:26,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 20:44:26,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 20:44:26,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 20:44:26,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 20:44:26,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 20:44:26,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 20:44:26,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 20:44:26,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 20:44:26,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 20:44:26,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 20:44:26,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 20:44:26,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 20:44:26,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 20:44:26,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 20:44:26,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 20:44:26,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 20:44:26,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 20:44:26,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 20:44:26,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2021-01-20 20:44:26,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 20:44:26,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 20:44:26,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 20:44:26,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 20:44:26,806 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 20:44:26,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 20:44:26,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 20:44:26,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 20:44:26,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 20:44:26,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 20:44:26,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 20:44:26,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 20:44:26,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 20:44:26,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 20:44:26,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 20:44:26,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 20:44:26,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 20:44:26,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 20:44:26,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 20:44:26,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 20:44:26,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 20:44:26,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 20:44:26,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 20:44:26,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 20:44:26,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 20:44:26,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 20:44:26,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 20:44:26,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 20:44:26,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 20:44:26,815 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 20:44:26,816 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 20:44:26,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 20:44:27,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 20:44:27,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 20:44:27,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 20:44:27,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 20:44:27,274 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 20:44:27,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-01-20 20:44:27,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e2d2af/dd50a9daaa934227b4abedec0927ef0b/FLAG90748e389 [2021-01-20 20:44:28,110 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 20:44:28,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_pso.opt.i [2021-01-20 20:44:28,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e2d2af/dd50a9daaa934227b4abedec0927ef0b/FLAG90748e389 [2021-01-20 20:44:28,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e2d2af/dd50a9daaa934227b4abedec0927ef0b [2021-01-20 20:44:28,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 20:44:28,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 20:44:28,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 20:44:28,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 20:44:28,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 20:44:28,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 08:44:28" (1/1) ... [2021-01-20 20:44:28,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7210f482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:28, skipping insertion in model container [2021-01-20 20:44:28,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 08:44:28" (1/1) ... [2021-01-20 20:44:28,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 20:44:28,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 20:44:28,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 20:44:28,985 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 20:44:29,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 20:44:29,171 INFO L208 MainTranslator]: Completed translation [2021-01-20 20:44:29,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29 WrapperNode [2021-01-20 20:44:29,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 20:44:29,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 20:44:29,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 20:44:29,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 20:44:29,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 20:44:29,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 20:44:29,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 20:44:29,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 20:44:29,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (1/1) ... [2021-01-20 20:44:29,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 20:44:29,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 20:44:29,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 20:44:29,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 20:44:29,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (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 [2021-01-20 20:44:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 20:44:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 20:44:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 20:44:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 20:44:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-20 20:44:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-20 20:44:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-20 20:44:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-20 20:44:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-20 20:44:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-20 20:44:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-01-20 20:44:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-01-20 20:44:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 20:44:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 20:44:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 20:44:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 20:44:29,375 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 20:44:31,716 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 20:44:31,716 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-20 20:44:31,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 08:44:31 BoogieIcfgContainer [2021-01-20 20:44:31,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 20:44:31,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 20:44:31,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 20:44:31,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 20:44:31,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 08:44:28" (1/3) ... [2021-01-20 20:44:31,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed48c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 08:44:31, skipping insertion in model container [2021-01-20 20:44:31,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 08:44:29" (2/3) ... [2021-01-20 20:44:31,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed48c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 08:44:31, skipping insertion in model container [2021-01-20 20:44:31,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 08:44:31" (3/3) ... [2021-01-20 20:44:31,728 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_pso.opt.i [2021-01-20 20:44:31,744 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 20:44:31,744 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 20:44:31,748 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 20:44:31,749 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 20:44:31,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,788 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,788 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,788 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,790 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,792 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,800 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,802 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,809 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,810 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,813 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,813 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,813 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,813 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,813 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,815 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,815 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,815 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,815 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,820 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 20:44:31,827 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 20:44:31,840 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 20:44:31,861 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 20:44:31,861 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 20:44:31,861 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 20:44:31,862 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 20:44:31,862 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 20:44:31,862 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 20:44:31,862 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 20:44:31,862 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 20:44:31,876 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 121 transitions, 262 flow [2021-01-20 20:45:17,024 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-20 20:45:17,429 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:17,430 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:17,431 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:17,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:17,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1340920189, now seen corresponding path program 1 times [2021-01-20 20:45:17,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:17,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844434405] [2021-01-20 20:45:17,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:17,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844434405] [2021-01-20 20:45:17,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:17,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 20:45:17,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899823041] [2021-01-20 20:45:17,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 20:45:17,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:17,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 20:45:17,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 20:45:18,071 INFO L87 Difference]: Start difference. First operand has 135507 states, 135503 states have (on average 4.547397474594659) internal successors, (616186), 135506 states have internal predecessors, (616186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:20,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:20,948 INFO L93 Difference]: Finished difference Result 115515 states and 512677 transitions. [2021-01-20 20:45:20,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 20:45:20,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-01-20 20:45:20,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:20,954 INFO L769 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 [2021-01-20 20:45:20,954 INFO L78 Accepts]: Start accepts. Automaton has 115515 states and 512677 transitions. Word has length 57 [2021-01-20 20:45:20,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:20,957 INFO L481 AbstractCegarLoop]: Abstraction has 115515 states and 512677 transitions. [2021-01-20 20:45:20,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 115515 states and 512677 transitions. [2021-01-20 20:45:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-20 20:45:21,030 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:21,030 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:21,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 20:45:21,031 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:21,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:21,032 INFO L82 PathProgramCache]: Analyzing trace with hash 487360562, now seen corresponding path program 1 times [2021-01-20 20:45:21,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:21,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401706093] [2021-01-20 20:45:21,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:21,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401706093] [2021-01-20 20:45:21,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:21,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:45:21,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71638646] [2021-01-20 20:45:21,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:45:21,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:21,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:45:21,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:45:21,869 INFO L87 Difference]: Start difference. First operand 115515 states and 512677 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:23,841 INFO L93 Difference]: Finished difference Result 146875 states and 647973 transitions. [2021-01-20 20:45:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 20:45:23,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-01-20 20:45:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:23,847 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:23,848 INFO L78 Accepts]: Start accepts. Automaton has 146875 states and 647973 transitions. Word has length 70 [2021-01-20 20:45:23,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:23,849 INFO L481 AbstractCegarLoop]: Abstraction has 146875 states and 647973 transitions. [2021-01-20 20:45:23,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 146875 states and 647973 transitions. [2021-01-20 20:45:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-20 20:45:23,985 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:23,985 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:23,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 20:45:23,986 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:23,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:23,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1178829201, now seen corresponding path program 1 times [2021-01-20 20:45:23,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:23,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902622046] [2021-01-20 20:45:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:24,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902622046] [2021-01-20 20:45:24,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:24,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:45:24,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108791801] [2021-01-20 20:45:24,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:45:24,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:24,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:45:24,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:45:24,227 INFO L87 Difference]: Start difference. First operand 146875 states and 647973 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:27,424 INFO L93 Difference]: Finished difference Result 235467 states and 1034765 transitions. [2021-01-20 20:45:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 20:45:27,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-01-20 20:45:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:27,425 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:27,426 INFO L78 Accepts]: Start accepts. Automaton has 235467 states and 1034765 transitions. Word has length 74 [2021-01-20 20:45:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:27,427 INFO L481 AbstractCegarLoop]: Abstraction has 235467 states and 1034765 transitions. [2021-01-20 20:45:27,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 235467 states and 1034765 transitions. [2021-01-20 20:45:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-20 20:45:28,163 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:28,163 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:28,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 20:45:28,164 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:28,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:28,164 INFO L82 PathProgramCache]: Analyzing trace with hash -803293008, now seen corresponding path program 1 times [2021-01-20 20:45:28,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:28,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145259441] [2021-01-20 20:45:28,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:28,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145259441] [2021-01-20 20:45:28,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:28,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-20 20:45:28,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002914190] [2021-01-20 20:45:28,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 20:45:28,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:28,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 20:45:28,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-01-20 20:45:28,623 INFO L87 Difference]: Start difference. First operand 235467 states and 1034765 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:33,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:33,159 INFO L93 Difference]: Finished difference Result 329155 states and 1438721 transitions. [2021-01-20 20:45:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-20 20:45:33,159 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-01-20 20:45:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:33,160 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-01-20 20:45:33,160 INFO L78 Accepts]: Start accepts. Automaton has 329155 states and 1438721 transitions. Word has length 76 [2021-01-20 20:45:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:33,161 INFO L481 AbstractCegarLoop]: Abstraction has 329155 states and 1438721 transitions. [2021-01-20 20:45:33,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 329155 states and 1438721 transitions. [2021-01-20 20:45:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-20 20:45:33,358 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:33,358 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:33,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 20:45:33,361 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:33,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:33,362 INFO L82 PathProgramCache]: Analyzing trace with hash 994334706, now seen corresponding path program 1 times [2021-01-20 20:45:33,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:33,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511818558] [2021-01-20 20:45:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:33,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511818558] [2021-01-20 20:45:33,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:33,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-20 20:45:33,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322443655] [2021-01-20 20:45:33,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 20:45:33,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:33,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 20:45:33,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-01-20 20:45:33,786 INFO L87 Difference]: Start difference. First operand 329155 states and 1438721 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:40,290 INFO L93 Difference]: Finished difference Result 400009 states and 1748051 transitions. [2021-01-20 20:45:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-20 20:45:40,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-01-20 20:45:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:40,292 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2021-01-20 20:45:40,292 INFO L78 Accepts]: Start accepts. Automaton has 400009 states and 1748051 transitions. Word has length 77 [2021-01-20 20:45:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:40,293 INFO L481 AbstractCegarLoop]: Abstraction has 400009 states and 1748051 transitions. [2021-01-20 20:45:40,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 400009 states and 1748051 transitions. [2021-01-20 20:45:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-20 20:45:40,483 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:40,483 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:40,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 20:45:40,484 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:40,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1973204174, now seen corresponding path program 2 times [2021-01-20 20:45:40,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:40,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916422357] [2021-01-20 20:45:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:40,929 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2021-01-20 20:45:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:41,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916422357] [2021-01-20 20:45:41,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:41,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 20:45:41,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147515077] [2021-01-20 20:45:41,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 20:45:41,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 20:45:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-01-20 20:45:41,090 INFO L87 Difference]: Start difference. First operand 400009 states and 1748051 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:49,221 INFO L93 Difference]: Finished difference Result 518589 states and 2265421 transitions. [2021-01-20 20:45:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-20 20:45:49,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-01-20 20:45:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:49,230 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2021-01-20 20:45:49,230 INFO L78 Accepts]: Start accepts. Automaton has 518589 states and 2265421 transitions. Word has length 77 [2021-01-20 20:45:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:49,230 INFO L481 AbstractCegarLoop]: Abstraction has 518589 states and 2265421 transitions. [2021-01-20 20:45:49,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 518589 states and 2265421 transitions. [2021-01-20 20:45:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-20 20:45:49,501 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:49,501 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:49,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 20:45:49,502 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:49,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1608733078, now seen corresponding path program 3 times [2021-01-20 20:45:49,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:49,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11664887] [2021-01-20 20:45:49,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:50,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11664887] [2021-01-20 20:45:50,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:50,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-20 20:45:50,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440563566] [2021-01-20 20:45:50,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-20 20:45:50,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:50,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-20 20:45:50,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-01-20 20:45:50,098 INFO L87 Difference]: Start difference. First operand 518589 states and 2265421 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:57,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:45:57,637 INFO L93 Difference]: Finished difference Result 586601 states and 2558560 transitions. [2021-01-20 20:45:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 20:45:57,638 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-01-20 20:45:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:45:57,638 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-01-20 20:45:57,639 INFO L78 Accepts]: Start accepts. Automaton has 586601 states and 2558560 transitions. Word has length 77 [2021-01-20 20:45:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:45:57,639 INFO L481 AbstractCegarLoop]: Abstraction has 586601 states and 2558560 transitions. [2021-01-20 20:45:57,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:45:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 586601 states and 2558560 transitions. [2021-01-20 20:45:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:45:59,020 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:45:59,023 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:45:59,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 20:45:59,024 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:45:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:45:59,025 INFO L82 PathProgramCache]: Analyzing trace with hash 990083187, now seen corresponding path program 1 times [2021-01-20 20:45:59,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:45:59,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127572331] [2021-01-20 20:45:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:45:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:45:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:45:59,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127572331] [2021-01-20 20:45:59,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:45:59,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-01-20 20:45:59,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693836804] [2021-01-20 20:45:59,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-20 20:45:59,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:45:59,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-20 20:45:59,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-01-20 20:45:59,603 INFO L87 Difference]: Start difference. First operand 586601 states and 2558560 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:09,984 INFO L93 Difference]: Finished difference Result 662649 states and 2887476 transitions. [2021-01-20 20:46:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-20 20:46:09,985 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:09,986 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2021-01-20 20:46:09,986 INFO L78 Accepts]: Start accepts. Automaton has 662649 states and 2887476 transitions. Word has length 78 [2021-01-20 20:46:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:09,987 INFO L481 AbstractCegarLoop]: Abstraction has 662649 states and 2887476 transitions. [2021-01-20 20:46:09,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 662649 states and 2887476 transitions. [2021-01-20 20:46:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:10,561 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:10,561 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:46:10,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 20:46:10,564 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:10,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:10,568 INFO L82 PathProgramCache]: Analyzing trace with hash -353311961, now seen corresponding path program 2 times [2021-01-20 20:46:10,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:10,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79694995] [2021-01-20 20:46:10,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:11,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79694995] [2021-01-20 20:46:11,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:11,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-01-20 20:46:11,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646215832] [2021-01-20 20:46:11,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-20 20:46:11,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:11,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-20 20:46:11,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-01-20 20:46:11,459 INFO L87 Difference]: Start difference. First operand 662649 states and 2887476 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:25,148 INFO L93 Difference]: Finished difference Result 707729 states and 3079759 transitions. [2021-01-20 20:46:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-20 20:46:25,153 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:25,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:25,154 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-01-20 20:46:25,155 INFO L78 Accepts]: Start accepts. Automaton has 707729 states and 3079759 transitions. Word has length 78 [2021-01-20 20:46:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:25,155 INFO L481 AbstractCegarLoop]: Abstraction has 707729 states and 3079759 transitions. [2021-01-20 20:46:25,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 707729 states and 3079759 transitions. [2021-01-20 20:46:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:25,960 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:25,960 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:46:25,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 20:46:25,961 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:25,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:25,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1438403761, now seen corresponding path program 3 times [2021-01-20 20:46:25,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:25,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985591736] [2021-01-20 20:46:25,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:26,523 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2021-01-20 20:46:26,851 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-01-20 20:46:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:26,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985591736] [2021-01-20 20:46:26,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:26,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 20:46:26,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293114088] [2021-01-20 20:46:26,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 20:46:26,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:26,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 20:46:26,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-01-20 20:46:26,889 INFO L87 Difference]: Start difference. First operand 707729 states and 3079759 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 20:46:40,837 INFO L93 Difference]: Finished difference Result 816705 states and 3532351 transitions. [2021-01-20 20:46:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 20:46:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-01-20 20:46:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 20:46:40,841 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-01-20 20:46:40,841 INFO L78 Accepts]: Start accepts. Automaton has 816705 states and 3532351 transitions. Word has length 78 [2021-01-20 20:46:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 20:46:40,842 INFO L481 AbstractCegarLoop]: Abstraction has 816705 states and 3532351 transitions. [2021-01-20 20:46:40,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 20:46:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 816705 states and 3532351 transitions. [2021-01-20 20:46:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-20 20:46:41,495 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 20:46:41,495 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 20:46:41,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 20:46:41,499 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 20:46:41,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 20:46:41,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1321806769, now seen corresponding path program 1 times [2021-01-20 20:46:41,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 20:46:41,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747605090] [2021-01-20 20:46:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 20:46:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 20:46:42,344 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2021-01-20 20:46:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 20:46:42,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747605090] [2021-01-20 20:46:42,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 20:46:42,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 20:46:42,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657211459] [2021-01-20 20:46:42,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 20:46:42,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 20:46:42,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 20:46:42,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 20:46:42,560 INFO L87 Difference]: Start difference. First operand 816705 states and 3532351 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)