/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-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 21:27:22,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 21:27:22,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 21:27:22,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 21:27:22,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 21:27:22,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 21:27:22,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 21:27:22,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 21:27:22,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 21:27:22,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 21:27:22,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 21:27:22,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 21:27:22,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 21:27:22,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 21:27:22,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 21:27:22,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 21:27:22,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 21:27:22,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 21:27:22,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 21:27:22,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 21:27:22,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 21:27:22,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 21:27:22,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 21:27:22,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 21:27:22,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 21:27:22,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 21:27:22,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 21:27:22,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 21:27:22,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 21:27:22,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 21:27:22,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 21:27:22,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 21:27:22,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 21:27:22,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 21:27:22,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 21:27:22,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 21:27:22,853 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-Sleep-NoLbe-Delay.epf [2021-01-26 21:27:22,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 21:27:22,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 21:27:22,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 21:27:22,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 21:27:22,916 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 21:27:22,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 21:27:22,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 21:27:22,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 21:27:22,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 21:27:22,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 21:27:22,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 21:27:22,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 21:27:22,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 21:27:22,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 21:27:22,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 21:27:22,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 21:27:22,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 21:27:22,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 21:27:22,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 21:27:22,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 21:27:22,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 21:27:22,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 21:27:22,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 21:27:22,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 21:27:22,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 21:27:22,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 21:27:22,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 21:27:22,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 21:27:22,923 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 21:27:22,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 21:27:22,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 21:27:22,924 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 21:27:22,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 21:27:22,925 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 21:27:23,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 21:27:23,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 21:27:23,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 21:27:23,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 21:27:23,432 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 21:27:23,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2021-01-26 21:27:23,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8ca9386/ec15d877df0249708b53e31a7cc6d265/FLAG98c6500a2 [2021-01-26 21:27:24,174 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 21:27:24,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2021-01-26 21:27:24,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8ca9386/ec15d877df0249708b53e31a7cc6d265/FLAG98c6500a2 [2021-01-26 21:27:24,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab8ca9386/ec15d877df0249708b53e31a7cc6d265 [2021-01-26 21:27:24,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 21:27:24,481 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 21:27:24,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 21:27:24,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 21:27:24,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 21:27:24,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:27:24" (1/1) ... [2021-01-26 21:27:24,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c49fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:24, skipping insertion in model container [2021-01-26 21:27:24,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 09:27:24" (1/1) ... [2021-01-26 21:27:24,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 21:27:24,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 21:27:24,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 21:27:24,967 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 21:27:25,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 21:27:25,118 INFO L208 MainTranslator]: Completed translation [2021-01-26 21:27:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25 WrapperNode [2021-01-26 21:27:25,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 21:27:25,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 21:27:25,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 21:27:25,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 21:27:25,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 21:27:25,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 21:27:25,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 21:27:25,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 21:27:25,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (1/1) ... [2021-01-26 21:27:25,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 21:27:25,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 21:27:25,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 21:27:25,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 21:27:25,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (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 [2021-01-26 21:27:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-26 21:27:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-26 21:27:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 21:27:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 21:27:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 21:27:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 21:27:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 21:27:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 21:27:25,412 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 21:27:26,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 21:27:26,008 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-26 21:27:26,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:27:26 BoogieIcfgContainer [2021-01-26 21:27:26,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 21:27:26,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 21:27:26,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 21:27:26,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 21:27:26,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 09:27:24" (1/3) ... [2021-01-26 21:27:26,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5bbf5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:27:26, skipping insertion in model container [2021-01-26 21:27:26,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 09:27:25" (2/3) ... [2021-01-26 21:27:26,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5bbf5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 09:27:26, skipping insertion in model container [2021-01-26 21:27:26,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 09:27:26" (3/3) ... [2021-01-26 21:27:26,019 INFO L111 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2021-01-26 21:27:26,034 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 21:27:26,035 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 21:27:26,038 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 21:27:26,040 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 21:27:26,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,078 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,082 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 21:27:26,096 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-26 21:27:26,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 21:27:26,124 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 21:27:26,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 21:27:26,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 21:27:26,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 21:27:26,125 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 21:27:26,125 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 21:27:26,125 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 19 and size of Sequence is : 20[2021-01-26 21:27:26,151 INFO L164 SleepSetCegar]: Size of mCounterexample is: 20 [2021-01-26 21:27:26,151 INFO L165 SleepSetCegar]: [44#[ULTIMATE.startENTRY]don't care, 46#[L-1]don't care, 48#[L-1-1]don't care, 50#[L16]don't care, 52#[L16-1]don't care, 54#[L16-2]don't care, 56#[L16-3]don't care, 58#[L16-4]don't care, 60#[L688]don't care, 62#[L-1-2]don't care, 64#[L-1-3]don't care, 66#[L709]don't care, 68#[L710-4]don't care, 72#[L710-1]don't care, 82#[L710-2]don't care, 84#[L710-3, thr1ENTRY]don't care, 86#[thr1ENTRY, L710-4]don't care, 92#[L710-1, thr1ENTRY]don't care, 96#[L710-2, thr1ENTRY]don't care, 100#[ULTIMATE.startErr0INUSE_VIOLATION, thr1ENTRY]don't care] [2021-01-26 21:27:26,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 21:27:26,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:27:26,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1767658146, now seen corresponding path program 1 times [2021-01-26 21:27:26,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:27:26,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779390150] [2021-01-26 21:27:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:27:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 21:27:26,313 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 21:27:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 21:27:26,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 21:27:26,364 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 21:27:26,365 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 21:27:26,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 21:27:26,366 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 21:27:26,366 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 21:27:26,384 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,384 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,384 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,384 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,386 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,386 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,388 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,390 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,402 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,403 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,403 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 21:27:26,406 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 21:27:26,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 21:27:26,408 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 21:27:26,408 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 21:27:26,408 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 21:27:26,408 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 21:27:26,409 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 21:27:26,409 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 21:27:26,409 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 21:27:26,409 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 30 and size of Sequence is : 31[2021-01-26 21:27:26,420 INFO L164 SleepSetCegar]: Size of mCounterexample is: 31 [2021-01-26 21:27:26,420 INFO L165 SleepSetCegar]: [61#[ULTIMATE.startENTRY]don't care, 63#[L-1]don't care, 65#[L-1-1]don't care, 67#[L16]don't care, 69#[L16-1]don't care, 71#[L16-2]don't care, 73#[L16-3]don't care, 75#[L16-4]don't care, 77#[L688]don't care, 79#[L-1-2]don't care, 81#[L-1-3]don't care, 83#[L709]don't care, 85#[L710-4]don't care, 87#[L710-1]don't care, 99#[L710-2]don't care, 101#[L710-3, thr1ENTRY]don't care, 103#[L710-4, thr1ENTRY]don't care, 107#[thr1ENTRY, L710-1]don't care, 113#[L710-2, thr1ENTRY]don't care, 119#[L710-2, L700]don't care, 121#[L700-1, L710-2]don't care, 127#[L710-2, L702]don't care, 131#[L710-2, L703]don't care, 135#[L710-2, L703-1]don't care, 139#[L16, L710-2]don't care, 147#[L710-2, L16-4]don't care, 149#[L710-3, thr1ENTRY, L16-4]don't care, 153#[thr1ENTRY, L710-4, L16-4]don't care, 157#[thr1ENTRY, L16-4, L710-1]don't care, 169#[L710-2, thr1ENTRY, L16-4]don't care, 175#[thr1ENTRY, L16-4, ULTIMATE.startErr0INUSE_VIOLATION]don't care] [2021-01-26 21:27:26,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:27:26,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:27:26,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1402429635, now seen corresponding path program 1 times [2021-01-26 21:27:26,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:27:26,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113182263] [2021-01-26 21:27:26,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:27:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:27:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-26 21:27:26,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113182263] [2021-01-26 21:27:26,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:27:26,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 21:27:26,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975571415] [2021-01-26 21:27:26,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 21:27:26,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:27:26,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 21:27:26,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 21:27:26,542 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:27:26,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) Size of Word is: 26 and size of Sequence is : 27[2021-01-26 21:27:26,553 INFO L164 SleepSetCegar]: Size of mCounterexample is: 27 [2021-01-26 21:27:26,554 INFO L165 SleepSetCegar]: [178#[ULTIMATE.startENTRY]true, 179#[L-1]true, 180#[L-1-1]true, 181#[L16]true, 182#[L16-1]true, 183#[L16-2]true, 184#[L16-3]true, 185#[L16-4]true, 186#[L688]true, 187#[L-1-2]true, 188#[L-1-3]true, 189#[L709]true, 190#[L710-4]true, 191#[L710-1]true, 193#[L710-2]true, 194#[L710-3, thr1ENTRY]true, 195#[L710-4, thr1ENTRY]true, 197#[thr1ENTRY, L710-1]true, 200#[L710-2, thr1ENTRY]true, 203#[L710-2, L700]true, 204#[L700-1, L710-2]true, 207#[L710-2, L702]true, 209#[L710-2, L703]true, 211#[L710-2, L703-1]true, 213#[L16, L710-2]true, 215#[L710-2, L16-2]true, 225#[L710-2, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 21:27:26,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 21:27:26,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:27:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:27:26,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1276226583, now seen corresponding path program 1 times [2021-01-26 21:27:26,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:27:26,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930441351] [2021-01-26 21:27:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:27:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 21:27:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-26 21:27:26,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930441351] [2021-01-26 21:27:26,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 21:27:26,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 21:27:26,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023715160] [2021-01-26 21:27:26,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 21:27:26,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 21:27:26,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 21:27:26,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 21:27:26,677 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 21:27:26,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Size of Word is: 31 and size of Sequence is : 32[2021-01-26 21:27:26,728 INFO L164 SleepSetCegar]: Size of mCounterexample is: 32 [2021-01-26 21:27:26,729 INFO L165 SleepSetCegar]: [231#[ULTIMATE.startENTRY]true, 233#[L-1]true, 235#[L-1-1]true, 237#[L16]true, 239#[L16-1]true, 241#[L16-2]true, 243#[L16-3]true, 245#[L16-4]true, 247#[L688](= ~x~0 1), 249#[L-1-2](= ~x~0 1), 251#[L-1-3](= ~x~0 1), 253#[L709](= ~x~0 1), 255#[L710-4](= ~x~0 1), 257#[L710-1](= ~x~0 1), 261#[L710-2](= ~x~0 1), 263#[L710-3, thr1ENTRY](= ~x~0 1), 265#[L710-4, thr1ENTRY](= ~x~0 1), 269#[thr1ENTRY, L710-1](= ~x~0 1), 275#[L710-2, thr1ENTRY](= ~x~0 1), 281#[L710-2, L700](= ~x~0 1), 283#[L700-1, L710-2](= ~x~0 1), 289#[L710-2, L702]true, 293#[L710-2, L703](= ~x~0 1), 295#[L710-2, L703-3](= ~x~0 1), 305#[L704, L710-2](= ~x~0 1), 315#[L710-2, thr1FINAL](= ~x~0 1), 327#[L710-2, thr1EXIT](= ~x~0 1), 332#[L710-3, thr1ENTRY, thr1EXIT](= ~x~0 1), 342#[thr1ENTRY, thr1EXIT, L710-4](= ~x~0 1), 353#[thr1ENTRY, thr1EXIT, L710-1](= ~x~0 1), 367#[L710-2, thr1ENTRY, thr1EXIT](= ~x~0 1), 377#[thr1ENTRY, thr1EXIT, ULTIMATE.startErr0INUSE_VIOLATION](= ~x~0 1)] [2021-01-26 21:27:26,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 21:27:26,729 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 21:27:26,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 21:27:26,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2128322215, now seen corresponding path program 1 times [2021-01-26 21:27:26,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 21:27:26,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031270643] [2021-01-26 21:27:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 21:27:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 21:27:26,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 21:27:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 21:27:26,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 21:27:26,806 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 21:27:26,806 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 21:27:26,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 21:27:26,807 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 21:27:26,808 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-01-26 21:27:26,812 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@555648ba at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-26 21:27:26,817 INFO L168 Benchmark]: Toolchain (without parser) took 2344.43 ms. Allocated memory is still 302.0 MB. Free memory was 277.3 MB in the beginning and 221.3 MB in the end (delta: 56.1 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,817 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 21:27:26,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.76 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 248.0 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.50 ms. Allocated memory is still 302.0 MB. Free memory was 247.8 MB in the beginning and 246.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,820 INFO L168 Benchmark]: Boogie Preprocessor took 59.09 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,821 INFO L168 Benchmark]: RCFGBuilder took 770.64 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 264.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,822 INFO L168 Benchmark]: TraceAbstraction took 802.34 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 221.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-01-26 21:27:26,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.7 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 634.76 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 248.0 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.50 ms. Allocated memory is still 302.0 MB. Free memory was 247.8 MB in the beginning and 246.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.09 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 770.64 ms. Allocated memory is still 302.0 MB. Free memory was 244.9 MB in the beginning and 264.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 802.34 ms. Allocated memory is still 302.0 MB. Free memory was 263.2 MB in the beginning and 221.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@555648ba de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@555648ba: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...