/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:08:22,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:08:22,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:08:22,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 22:08:22,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:08:22,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:08:22,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:08:22,796 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.epf [2022-02-10 22:08:22,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:08:22,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:08:22,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:08:22,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:08:22,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:08:22,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:08:22,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:08:22,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:08:22,821 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:08:22,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:08:22,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:08:22,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:22,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:08:22,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:08:22,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:08:22,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:08:23,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:08:23,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:08:23,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:08:23,037 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:08:23,038 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:08:23,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-02-10 22:08:23,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f83cb60b/4d124c28b0ea4315928274b5b331a4d9/FLAG87c2e2460 [2022-02-10 22:08:23,424 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:08:23,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-02-10 22:08:23,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f83cb60b/4d124c28b0ea4315928274b5b331a4d9/FLAG87c2e2460 [2022-02-10 22:08:23,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f83cb60b/4d124c28b0ea4315928274b5b331a4d9 [2022-02-10 22:08:23,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:08:23,825 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:08:23,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:23,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:08:23,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:08:23,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:23" (1/1) ... [2022-02-10 22:08:23,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a52f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:23, skipping insertion in model container [2022-02-10 22:08:23,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:23" (1/1) ... [2022-02-10 22:08:23,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:08:23,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:08:23,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-02-10 22:08:24,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:24,109 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:08:24,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-02-10 22:08:24,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:24,168 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:08:24,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24 WrapperNode [2022-02-10 22:08:24,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:24,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:24,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:08:24,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:08:24,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,201 INFO L137 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2022-02-10 22:08:24,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:24,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:08:24,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:08:24,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:08:24,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:08:24,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:08:24,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:08:24,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:08:24,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (1/1) ... [2022-02-10 22:08:24,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:08:24,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 22:08:24,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-02-10 22:08:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:08:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-02-10 22:08:24,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-02-10 22:08:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:08:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:08:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:08:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:08:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:08:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:08:24,293 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:08:24,378 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:08:24,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:08:24,590 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:08:24,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:08:24,597 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 22:08:24,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:24 BoogieIcfgContainer [2022-02-10 22:08:24,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:08:24,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:08:24,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:08:24,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:08:24,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:08:23" (1/3) ... [2022-02-10 22:08:24,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37197e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:24, skipping insertion in model container [2022-02-10 22:08:24,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:24" (2/3) ... [2022-02-10 22:08:24,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37197e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:24, skipping insertion in model container [2022-02-10 22:08:24,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:24" (3/3) ... [2022-02-10 22:08:24,606 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2022-02-10 22:08:24,609 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:08:24,609 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:08:24,610 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 22:08:24,610 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:08:24,651 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,651 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,651 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,651 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,652 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,652 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,652 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,652 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,652 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,653 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,654 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,655 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,656 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,657 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,658 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,659 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,660 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,661 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,662 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,663 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,664 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,665 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,666 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,667 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,667 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,668 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,669 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,670 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,671 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,674 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,674 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,674 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,674 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,674 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~x~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,675 WARN L322 ript$VariableManager]: TermVariable |t3_funThread1of1ForFork0_~y~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,677 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,678 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,679 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,679 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,679 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,679 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:24,679 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 22:08:24,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:08:24,723 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 22:08:24,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-10 22:08:24,732 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 172 places, 167 transitions, 349 flow [2022-02-10 22:08:38,139 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 501981 states, 501970 states have (on average 4.013269717313784) internal successors, (2014541), 501980 states have internal predecessors, (2014541), 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) [2022-02-10 22:08:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 501981 states, 501970 states have (on average 4.013269717313784) internal successors, (2014541), 501980 states have internal predecessors, (2014541), 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) [2022-02-10 22:08:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 22:08:39,209 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:39,210 INFO L515 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] [2022-02-10 22:08:39,211 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-02-10 22:08:39,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:39,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1404558984, now seen corresponding path program 1 times [2022-02-10 22:08:39,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:39,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712787190] [2022-02-10 22:08:39,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:40,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:40,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712787190] [2022-02-10 22:08:40,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712787190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:40,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:40,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:40,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511082911] [2022-02-10 22:08:40,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:40,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:40,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:40,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:40,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:42,007 INFO L87 Difference]: Start difference. First operand has 501981 states, 501970 states have (on average 4.013269717313784) internal successors, (2014541), 501980 states have internal predecessors, (2014541), 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 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2022-02-10 22:08:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:51,708 INFO L93 Difference]: Finished difference Result 578515 states and 2208475 transitions. [2022-02-10 22:08:51,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 22:08:51,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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 65 [2022-02-10 22:08:51,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:59,227 INFO L225 Difference]: With dead ends: 578515 [2022-02-10 22:08:59,231 INFO L226 Difference]: Without dead ends: 570307 [2022-02-10 22:08:59,233 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-02-10 22:08:59,249 INFO L934 BasicCegarLoop]: 466 mSDtfsCounter, 1186 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:59,250 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1186 Valid, 2626 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:09:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570307 states. [2022-02-10 22:09:26,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570307 to 505907. [2022-02-10 22:09:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505907 states, 505896 states have (on average 3.85173434856176) internal successors, (1948577), 505906 states have internal predecessors, (1948577), 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) [2022-02-10 22:09:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505907 states to 505907 states and 1948577 transitions. [2022-02-10 22:09:36,089 INFO L78 Accepts]: Start accepts. Automaton has 505907 states and 1948577 transitions. Word has length 65 [2022-02-10 22:09:36,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:09:36,091 INFO L470 AbstractCegarLoop]: Abstraction has 505907 states and 1948577 transitions. [2022-02-10 22:09:36,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2022-02-10 22:09:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 505907 states and 1948577 transitions. [2022-02-10 22:09:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-10 22:09:36,150 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:09:36,150 INFO L515 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] [2022-02-10 22:09:36,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:09:36,151 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-02-10 22:09:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:09:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1253064817, now seen corresponding path program 1 times [2022-02-10 22:09:36,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:09:36,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763290695] [2022-02-10 22:09:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:09:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:09:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:09:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:09:36,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:09:36,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763290695] [2022-02-10 22:09:36,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763290695] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:09:36,337 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:09:36,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:09:36,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140064290] [2022-02-10 22:09:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:09:36,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:09:36,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:09:36,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:09:36,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:09:36,340 INFO L87 Difference]: Start difference. First operand 505907 states and 1948577 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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)