/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.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 11:58:00,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 11:58:00,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 11:58:00,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 11:58:00,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 11:58:00,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 11:58:00,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 11:58:00,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 11:58:00,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 11:58:00,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 11:58:00,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 11:58:00,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 11:58:00,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 11:58:00,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 11:58:00,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 11:58:00,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 11:58:00,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 11:58:00,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 11:58:00,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 11:58:00,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 11:58:00,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 11:58:00,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 11:58:00,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 11:58:00,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 11:58:00,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 11:58:00,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 11:58:00,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 11:58:00,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 11:58:00,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 11:58:00,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 11:58:00,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 11:58:00,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 11:58:00,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 11:58:00,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 11:58:00,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 11:58:00,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 11:58:00,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 11:58:00,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 11:58:00,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 11:58:00,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 11:58:00,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 11:58:00,550 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 [2021-01-20 11:58:00,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 11:58:00,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 11:58:00,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 11:58:00,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 11:58:00,581 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 11:58:00,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 11:58:00,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 11:58:00,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 11:58:00,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 11:58:00,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 11:58:00,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 11:58:00,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 11:58:00,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 11:58:00,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 11:58:00,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 11:58:00,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 11:58:00,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 11:58:00,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 11:58:00,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 11:58:00,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 11:58:00,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 11:58:00,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 11:58:00,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 11:58:00,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 11:58:00,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 11:58:00,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 11:58:00,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 11:58:00,588 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 11:58:00,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 11:58:00,588 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 11:58:00,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 11:58:00,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 11:58:00,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 11:58:00,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 11:58:00,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 11:58:00,974 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 11:58:00,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2021-01-20 11:58:01,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c48ccf8f/b3d282098cc5450b8ee8c168ed0a8334/FLAG48bf16197 [2021-01-20 11:58:01,785 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 11:58:01,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2021-01-20 11:58:01,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c48ccf8f/b3d282098cc5450b8ee8c168ed0a8334/FLAG48bf16197 [2021-01-20 11:58:02,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c48ccf8f/b3d282098cc5450b8ee8c168ed0a8334 [2021-01-20 11:58:02,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 11:58:02,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 11:58:02,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 11:58:02,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 11:58:02,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 11:58:02,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:02,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4664b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02, skipping insertion in model container [2021-01-20 11:58:02,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:02,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 11:58:02,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 11:58:02,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 11:58:02,632 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 11:58:02,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 11:58:02,919 INFO L208 MainTranslator]: Completed translation [2021-01-20 11:58:02,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02 WrapperNode [2021-01-20 11:58:02,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 11:58:02,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 11:58:02,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 11:58:02,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 11:58:02,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:02,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 11:58:03,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 11:58:03,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 11:58:03,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 11:58:03,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (1/1) ... [2021-01-20 11:58:03,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 11:58:03,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 11:58:03,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 11:58:03,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 11:58:03,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (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 11:58:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-01-20 11:58:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-01-20 11:58:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 11:58:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 11:58:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 11:58:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 11:58:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 11:58:03,179 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 11:58:03,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 11:58:03,892 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2021-01-20 11:58:03,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:58:03 BoogieIcfgContainer [2021-01-20 11:58:03,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 11:58:03,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 11:58:03,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 11:58:03,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 11:58:03,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:58:02" (1/3) ... [2021-01-20 11:58:03,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aab3995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:58:03, skipping insertion in model container [2021-01-20 11:58:03,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:58:02" (2/3) ... [2021-01-20 11:58:03,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aab3995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:58:03, skipping insertion in model container [2021-01-20 11:58:03,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:58:03" (3/3) ... [2021-01-20 11:58:03,903 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2021-01-20 11:58:03,919 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 11:58:03,919 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 11:58:03,923 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 11:58:03,924 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 11:58:03,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,975 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,975 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:03,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,002 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,014 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,017 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,017 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,018 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,018 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,039 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,040 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,042 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,043 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,053 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,055 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,056 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,057 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,057 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,058 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 11:58:04,067 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 11:58:04,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-20 11:58:04,103 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 11:58:04,103 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 11:58:04,103 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 11:58:04,103 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 11:58:04,103 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 11:58:04,103 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 11:58:04,104 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 11:58:04,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 11:58:04,118 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 156 places, 163 transitions, 348 flow [2021-01-20 11:58:04,587 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8301 states, 8297 states have (on average 2.812944437748584) internal successors, (23339), 8300 states have internal predecessors, (23339), 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 11:58:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 8301 states, 8297 states have (on average 2.812944437748584) internal successors, (23339), 8300 states have internal predecessors, (23339), 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 11:58:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-20 11:58:04,663 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:04,664 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] [2021-01-20 11:58:04,665 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1864576246, now seen corresponding path program 1 times [2021-01-20 11:58:04,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:04,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720194639] [2021-01-20 11:58:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:05,127 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 11:58:05,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720194639] [2021-01-20 11:58:05,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:05,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 11:58:05,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412226921] [2021-01-20 11:58:05,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 11:58:05,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:05,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 11:58:05,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:05,171 INFO L87 Difference]: Start difference. First operand has 8301 states, 8297 states have (on average 2.812944437748584) internal successors, (23339), 8300 states have internal predecessors, (23339), 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, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 11:58:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:05,362 INFO L93 Difference]: Finished difference Result 11697 states and 31274 transitions. [2021-01-20 11:58:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 11:58:05,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-01-20 11:58:05,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:05,479 INFO L225 Difference]: With dead ends: 11697 [2021-01-20 11:58:05,479 INFO L226 Difference]: Without dead ends: 11565 [2021-01-20 11:58:05,480 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:05,481 INFO L78 Accepts]: Start accepts. Automaton has 11565 states. Word has length 58 [2021-01-20 11:58:05,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:05,482 INFO L481 AbstractCegarLoop]: Abstraction has 11565 states. [2021-01-20 11:58:05,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 11:58:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 11565 states. [2021-01-20 11:58:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-20 11:58:05,495 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:05,496 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] [2021-01-20 11:58:05,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 11:58:05,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:05,497 INFO L82 PathProgramCache]: Analyzing trace with hash -546963300, now seen corresponding path program 1 times [2021-01-20 11:58:05,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:05,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839325669] [2021-01-20 11:58:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:05,670 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 11:58:05,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839325669] [2021-01-20 11:58:05,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:05,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 11:58:05,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21304332] [2021-01-20 11:58:05,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 11:58:05,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:05,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 11:58:05,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:05,674 INFO L87 Difference]: Start difference. First operand 11565 states. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 11:58:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:05,763 INFO L93 Difference]: Finished difference Result 9114 states and 24230 transitions. [2021-01-20 11:58:05,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 11:58:05,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2021-01-20 11:58:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:05,817 INFO L225 Difference]: With dead ends: 9114 [2021-01-20 11:58:05,817 INFO L226 Difference]: Without dead ends: 8937 [2021-01-20 11:58:05,818 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:05,818 INFO L78 Accepts]: Start accepts. Automaton has 8937 states. Word has length 59 [2021-01-20 11:58:05,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:05,819 INFO L481 AbstractCegarLoop]: Abstraction has 8937 states. [2021-01-20 11:58:05,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 11:58:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states. [2021-01-20 11:58:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-20 11:58:05,826 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:05,826 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] [2021-01-20 11:58:05,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 11:58:05,826 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:05,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:05,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1083578712, now seen corresponding path program 1 times [2021-01-20 11:58:05,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:05,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992346611] [2021-01-20 11:58:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:05,924 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 11:58:05,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992346611] [2021-01-20 11:58:05,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:05,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 11:58:05,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524644456] [2021-01-20 11:58:05,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 11:58:05,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:05,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 11:58:05,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 11:58:05,932 INFO L87 Difference]: Start difference. First operand 8937 states. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-01-20 11:58:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:06,072 INFO L93 Difference]: Finished difference Result 12384 states and 32972 transitions. [2021-01-20 11:58:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 11:58:06,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) Word has length 67 [2021-01-20 11:58:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:06,119 INFO L225 Difference]: With dead ends: 12384 [2021-01-20 11:58:06,119 INFO L226 Difference]: Without dead ends: 12384 [2021-01-20 11:58:06,121 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 11:58:06,122 INFO L78 Accepts]: Start accepts. Automaton has 12384 states. Word has length 67 [2021-01-20 11:58:06,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:06,123 INFO L481 AbstractCegarLoop]: Abstraction has 12384 states. [2021-01-20 11:58:06,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 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) [2021-01-20 11:58:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12384 states. [2021-01-20 11:58:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-20 11:58:06,137 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:06,137 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:06,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 11:58:06,138 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:06,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:06,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1568613378, now seen corresponding path program 1 times [2021-01-20 11:58:06,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:06,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646407020] [2021-01-20 11:58:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 11:58:06,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646407020] [2021-01-20 11:58:06,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544863410] [2021-01-20 11:58:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 11:58:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:06,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-20 11:58:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 11:58:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 11:58:06,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 11:58:06,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-20 11:58:06,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812445868] [2021-01-20 11:58:06,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 11:58:06,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:06,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 11:58:06,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-20 11:58:06,653 INFO L87 Difference]: Start difference. First operand 12384 states. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 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 11:58:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:06,805 INFO L93 Difference]: Finished difference Result 16380 states and 43634 transitions. [2021-01-20 11:58:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-20 11:58:06,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 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 93 [2021-01-20 11:58:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:06,853 INFO L225 Difference]: With dead ends: 16380 [2021-01-20 11:58:06,853 INFO L226 Difference]: Without dead ends: 16380 [2021-01-20 11:58:06,854 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-20 11:58:06,854 INFO L78 Accepts]: Start accepts. Automaton has 16380 states. Word has length 93 [2021-01-20 11:58:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:06,854 INFO L481 AbstractCegarLoop]: Abstraction has 16380 states. [2021-01-20 11:58:06,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 7 states have internal predecessors, (142), 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 11:58:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 16380 states. [2021-01-20 11:58:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-20 11:58:06,949 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:06,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 11:58:07,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 11:58:07,161 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:07,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:07,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1836211023, now seen corresponding path program 1 times [2021-01-20 11:58:07,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:07,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317363266] [2021-01-20 11:58:07,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:07,257 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 11:58:07,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317363266] [2021-01-20 11:58:07,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:07,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 11:58:07,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961023744] [2021-01-20 11:58:07,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 11:58:07,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:07,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 11:58:07,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:07,260 INFO L87 Difference]: Start difference. First operand 16380 states. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 11:58:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:07,327 INFO L93 Difference]: Finished difference Result 8109 states and 20363 transitions. [2021-01-20 11:58:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 11:58:07,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 94 [2021-01-20 11:58:07,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:07,354 INFO L225 Difference]: With dead ends: 8109 [2021-01-20 11:58:07,355 INFO L226 Difference]: Without dead ends: 8028 [2021-01-20 11:58:07,356 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 11:58:07,357 INFO L78 Accepts]: Start accepts. Automaton has 8028 states. Word has length 94 [2021-01-20 11:58:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:07,358 INFO L481 AbstractCegarLoop]: Abstraction has 8028 states. [2021-01-20 11:58:07,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 11:58:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8028 states. [2021-01-20 11:58:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-20 11:58:07,374 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:07,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 11:58:07,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 11:58:07,374 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:07,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1449720001, now seen corresponding path program 1 times [2021-01-20 11:58:07,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:07,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627548143] [2021-01-20 11:58:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:07,588 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 11:58:07,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627548143] [2021-01-20 11:58:07,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:07,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 11:58:07,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717150897] [2021-01-20 11:58:07,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 11:58:07,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:07,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 11:58:07,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 11:58:07,591 INFO L87 Difference]: Start difference. First operand 8028 states. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 11:58:07,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:07,807 INFO L93 Difference]: Finished difference Result 9189 states and 23101 transitions. [2021-01-20 11:58:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 11:58:07,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 95 [2021-01-20 11:58:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:07,827 INFO L225 Difference]: With dead ends: 9189 [2021-01-20 11:58:07,827 INFO L226 Difference]: Without dead ends: 9189 [2021-01-20 11:58:07,828 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-01-20 11:58:07,828 INFO L78 Accepts]: Start accepts. Automaton has 9189 states. Word has length 95 [2021-01-20 11:58:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:07,828 INFO L481 AbstractCegarLoop]: Abstraction has 9189 states. [2021-01-20 11:58:07,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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 11:58:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states. [2021-01-20 11:58:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-20 11:58:07,839 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:07,839 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, 1, 1, 1, 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 11:58:07,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 11:58:07,839 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:07,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1214144652, now seen corresponding path program 1 times [2021-01-20 11:58:07,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:07,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344963638] [2021-01-20 11:58:07,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:08,807 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 11:58:08,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344963638] [2021-01-20 11:58:08,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 11:58:08,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-01-20 11:58:08,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654213354] [2021-01-20 11:58:08,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-20 11:58:08,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:08,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-20 11:58:08,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2021-01-20 11:58:08,811 INFO L87 Difference]: Start difference. First operand 9189 states. Second operand has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 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 11:58:12,006 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 11:58:12,465 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-01-20 11:58:12,648 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 11:58:12,887 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-01-20 11:58:13,095 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-20 11:58:13,385 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-20 11:58:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:13,909 INFO L93 Difference]: Finished difference Result 18006 states and 45390 transitions. [2021-01-20 11:58:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-01-20 11:58:13,913 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 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 105 [2021-01-20 11:58:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:13,949 INFO L225 Difference]: With dead ends: 18006 [2021-01-20 11:58:13,949 INFO L226 Difference]: Without dead ends: 18006 [2021-01-20 11:58:13,951 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=565, Invalid=2857, Unknown=0, NotChecked=0, Total=3422 [2021-01-20 11:58:13,951 INFO L78 Accepts]: Start accepts. Automaton has 18006 states. Word has length 105 [2021-01-20 11:58:13,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:13,952 INFO L481 AbstractCegarLoop]: Abstraction has 18006 states. [2021-01-20 11:58:13,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 24 states have internal predecessors, (105), 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 11:58:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18006 states. [2021-01-20 11:58:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-20 11:58:13,970 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:13,970 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:13,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 11:58:13,971 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:13,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:13,971 INFO L82 PathProgramCache]: Analyzing trace with hash 731804022, now seen corresponding path program 2 times [2021-01-20 11:58:13,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:13,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330433712] [2021-01-20 11:58:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 11:58:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 11:58:14,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330433712] [2021-01-20 11:58:14,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245623603] [2021-01-20 11:58:14,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 11:58:14,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-20 11:58:14,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-20 11:58:14,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-20 11:58:14,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 11:58:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 11:58:14,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 11:58:14,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-20 11:58:14,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127140703] [2021-01-20 11:58:14,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-20 11:58:14,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 11:58:14,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-20 11:58:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-01-20 11:58:14,432 INFO L87 Difference]: Start difference. First operand 18006 states. Second operand has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 9 states have internal predecessors, (177), 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 11:58:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 11:58:14,651 INFO L93 Difference]: Finished difference Result 20232 states and 50988 transitions. [2021-01-20 11:58:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 11:58:14,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 9 states have internal predecessors, (177), 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 128 [2021-01-20 11:58:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 11:58:14,684 INFO L225 Difference]: With dead ends: 20232 [2021-01-20 11:58:14,685 INFO L226 Difference]: Without dead ends: 20232 [2021-01-20 11:58:14,685 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-20 11:58:14,685 INFO L78 Accepts]: Start accepts. Automaton has 20232 states. Word has length 128 [2021-01-20 11:58:14,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 11:58:14,686 INFO L481 AbstractCegarLoop]: Abstraction has 20232 states. [2021-01-20 11:58:14,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 9 states have internal predecessors, (177), 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 11:58:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 20232 states. [2021-01-20 11:58:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-20 11:58:14,703 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 11:58:14,703 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:14,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 11:58:14,917 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 11:58:14,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 11:58:14,918 INFO L82 PathProgramCache]: Analyzing trace with hash 947955710, now seen corresponding path program 1 times [2021-01-20 11:58:14,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 11:58:14,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767389777] [2021-01-20 11:58:14,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 11:58:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 11:58:14,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 11:58:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 11:58:15,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 11:58:15,071 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 11:58:15,071 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 11:58:15,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 11:58:15,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:58:15 BasicIcfg [2021-01-20 11:58:15,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 11:58:15,249 INFO L168 Benchmark]: Toolchain (without parser) took 13187.27 ms. Allocated memory was 302.0 MB in the beginning and 922.7 MB in the end (delta: 620.8 MB). Free memory was 275.9 MB in the beginning and 588.2 MB in the end (delta: -312.3 MB). Peak memory consumption was 310.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,250 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 11:58:15,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.57 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 256.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.06 ms. Allocated memory is still 302.0 MB. Free memory was 256.3 MB in the beginning and 254.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,252 INFO L168 Benchmark]: Boogie Preprocessor took 70.98 ms. Allocated memory is still 302.0 MB. Free memory was 254.2 MB in the beginning and 251.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,252 INFO L168 Benchmark]: RCFGBuilder took 788.22 ms. Allocated memory is still 302.0 MB. Free memory was 251.9 MB in the beginning and 217.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,253 INFO L168 Benchmark]: TraceAbstraction took 11349.67 ms. Allocated memory was 302.0 MB in the beginning and 922.7 MB in the end (delta: 620.8 MB). Free memory was 217.5 MB in the beginning and 588.2 MB in the end (delta: -370.8 MB). Peak memory consumption was 253.1 MB. Max. memory is 16.0 GB. [2021-01-20 11:58:15,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 858.57 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 256.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 112.06 ms. Allocated memory is still 302.0 MB. Free memory was 256.3 MB in the beginning and 254.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 70.98 ms. Allocated memory is still 302.0 MB. Free memory was 254.2 MB in the beginning and 251.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 788.22 ms. Allocated memory is still 302.0 MB. Free memory was 251.9 MB in the beginning and 217.5 MB in the end (delta: 34.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11349.67 ms. Allocated memory was 302.0 MB in the beginning and 922.7 MB in the end (delta: 620.8 MB). Free memory was 217.5 MB in the beginning and 588.2 MB in the end (delta: -370.8 MB). Peak memory consumption was 253.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 20]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(5)]; VAL [arr={13:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={13:0}, m={14:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1021] 0 pthread_t id1, id2; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L990] 1 int i; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1006] 2 int i; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] 2 i=0 VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L991] 1 unsigned int tmp; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L992] 1 i=0 VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L23] COND FALSE 1 !(!cond) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L962] COND FALSE 1 !(top==(5)) VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L954] 1 return top; VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L969] 1 stack[get_top()] = x VAL [arr={13:0}, flag=0, m={14:0}, top=0] [L946] 1 top++ VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L972] 1 return 0; VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arr={13:0}, flag=0, m={14:0}, top=1] [L999] 1 flag=(1) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L1010] COND TRUE 2 \read(flag) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L976] COND FALSE 2 !(get_top()==0) VAL [arr={13:0}, flag=1, m={14:0}, top=1] [L950] 2 top-- VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L984] EXPR 2 stack[get_top()] VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L984] 2 return stack[get_top()]; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1007] 2 i++ VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1007] COND TRUE 2 i<(5) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1010] COND TRUE 2 \read(flag) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L954] 2 return top; VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L976] COND TRUE 2 get_top()==0 VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L979] 2 return (-2); VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L1012] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L20] COND FALSE 2 !(0) VAL [arr={13:0}, flag=1, m={14:0}, top=0] [L20] 2 __assert_fail ("0", "stack-2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [arr={13:0}, flag=1, m={14:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 150 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 1806 SDtfs, 2310 SDslu, 9817 SDs, 0 SdLazy, 2287 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20232occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 910 ConstructedInterpolants, 0 QuantifiedInterpolants, 331316 SizeOfPredicates, 8 NumberOfNonLiveVariables, 512 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 18/178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...