/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:11:14,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:11:14,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:11:14,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 20:11:14,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 20:11:14,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 20:11:14,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 20:11:14,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 20:11:14,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 20:11:14,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 20:11:14,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 20:11:14,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 20:11:14,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 20:11:14,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 20:11:14,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 20:11:14,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 20:11:14,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 20:11:14,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 20:11:14,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 20:11:14,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 20:11:14,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 20:11:14,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 20:11:14,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 20:11:14,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 20:11:14,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 20:11:14,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 20:11:14,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 20:11:14,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 20:11:14,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 20:11:14,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 20:11:14,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 20:11:14,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 20:11:14,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 20:11:14,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 20:11:14,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 20:11:14,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 20:11:14,814 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-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 20:11:14,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:11:14,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:11:14,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:11:14,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:11:14,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:11:14,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:11:14,848 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:11:14,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:11:14,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:11:14,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:11:14,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:11:14,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:11:14,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:11:14,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:11:14,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:11:14,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:11:14,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:11:14,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:11:14,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:11:14,853 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:11:14,853 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:11:14,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:11:15,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:11:15,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:11:15,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:11:15,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 20:11:15,195 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 20:11:15,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-06-16 20:11:15,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9704990/43101ea133f242d6ae4d4b10ceea391a/FLAG2939dcc7c [2021-06-16 20:11:15,688 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 20:11:15,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-06-16 20:11:15,689 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 20:11:15,691 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 20:11:15,691 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 20:11:15,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9704990/43101ea133f242d6ae4d4b10ceea391a/FLAG2939dcc7c [2021-06-16 20:11:15,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9704990/43101ea133f242d6ae4d4b10ceea391a [2021-06-16 20:11:15,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:11:15,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 20:11:15,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 20:11:15,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 20:11:15,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 20:11:15,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 08:11:15" (1/1) ... [2021-06-16 20:11:15,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4526f667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:15, skipping insertion in model container [2021-06-16 20:11:15,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 08:11:15" (1/1) ... [2021-06-16 20:11:15,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 20:11:15,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 20:11:15,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 20:11:15,963 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 20:11:15,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 20:11:16,010 INFO L208 MainTranslator]: Completed translation [2021-06-16 20:11:16,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16 WrapperNode [2021-06-16 20:11:16,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 20:11:16,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:11:16,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:11:16,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:11:16,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:11:16,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:11:16,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:11:16,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:11:16,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (1/1) ... [2021-06-16 20:11:16,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:11:16,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:11:16,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:11:16,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:11:16,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (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 [2021-06-16 20:11:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-16 20:11:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-16 20:11:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:11:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 20:11:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-16 20:11:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 20:11:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 20:11:16,153 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 20:11:16,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:11:16,537 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 20:11:16,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:11:16 BoogieIcfgContainer [2021-06-16 20:11:16,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:11:16,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:11:16,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:11:16,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:11:16,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 08:11:15" (1/3) ... [2021-06-16 20:11:16,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434b88be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:11:16, skipping insertion in model container [2021-06-16 20:11:16,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 08:11:16" (2/3) ... [2021-06-16 20:11:16,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434b88be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:11:16, skipping insertion in model container [2021-06-16 20:11:16,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:11:16" (3/3) ... [2021-06-16 20:11:16,546 INFO L111 eAbstractionObserver]: Analyzing ICFG joinMultipleReturnValues.c [2021-06-16 20:11:16,552 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:11:16,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:11:16,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 20:11:16,553 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:11:16,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,580 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,582 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,583 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,584 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,585 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,586 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,588 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,589 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,589 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,589 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,589 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,589 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,590 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,591 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,592 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,592 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,592 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,592 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,596 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,596 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,597 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,599 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,599 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,599 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,599 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,599 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,600 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,601 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 20:11:16,623 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 20:11:16,639 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:11:16,690 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:11:16,690 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:11:16,690 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:11:16,690 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:11:16,691 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:11:16,691 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:11:16,691 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:11:16,691 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:11:16,740 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:11:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:11:16,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1350142531, now seen corresponding path program 1 times [2021-06-16 20:11:16,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:11:16,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237558821] [2021-06-16 20:11:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:11:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:11:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:11:17,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:11:17,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237558821] [2021-06-16 20:11:17,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237558821] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:11:17,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:11:17,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-06-16 20:11:17,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163401325] [2021-06-16 20:11:17,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 20:11:17,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:11:17,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 20:11:17,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2021-06-16 20:11:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:17,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:11:17,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 19 states have internal predecessors, (44), 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) [2021-06-16 20:11:17,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:11:18,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:11:18,599 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:11:18,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:11:18,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1095254368, now seen corresponding path program 1 times [2021-06-16 20:11:18,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:11:18,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881792602] [2021-06-16 20:11:18,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:11:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:11:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:11:18,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:11:18,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881792602] [2021-06-16 20:11:18,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881792602] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:11:18,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:11:18,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-16 20:11:18,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571255081] [2021-06-16 20:11:18,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 20:11:18,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:11:18,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 20:11:18,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-06-16 20:11:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:18,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:11:18,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 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) [2021-06-16 20:11:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:11:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:11:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:11:19,460 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 20:11:19,461 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:11:19,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:11:19,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1586219045, now seen corresponding path program 1 times [2021-06-16 20:11:19,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:11:19,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222957142] [2021-06-16 20:11:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:11:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:11:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:11:19,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:11:19,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222957142] [2021-06-16 20:11:19,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222957142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:11:19,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:11:19,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-16 20:11:19,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908191384] [2021-06-16 20:11:19,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:11:19,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:11:19,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:11:19,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:11:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:19,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:11:19,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2021-06-16 20:11:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:11:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:11:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:11:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:11:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:11:19,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:11:19,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 20:11:19,821 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 20:11:19,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 08:11:19 BasicIcfg [2021-06-16 20:11:19,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 20:11:19,824 INFO L168 Benchmark]: Toolchain (without parser) took 4073.82 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 89.4 MB in the beginning and 116.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,824 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 20:11:19,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 89.1 MB in the beginning and 168.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.86 ms. Allocated memory is still 186.6 MB. Free memory was 168.4 MB in the beginning and 166.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,826 INFO L168 Benchmark]: Boogie Preprocessor took 31.17 ms. Allocated memory is still 186.6 MB. Free memory was 166.9 MB in the beginning and 165.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,826 INFO L168 Benchmark]: RCFGBuilder took 457.79 ms. Allocated memory is still 186.6 MB. Free memory was 165.9 MB in the beginning and 146.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,826 INFO L168 Benchmark]: TraceAbstraction took 3282.69 ms. Allocated memory is still 186.6 MB. Free memory was 146.0 MB in the beginning and 116.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. [2021-06-16 20:11:19,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 89.1 MB in the beginning and 168.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.86 ms. Allocated memory is still 186.6 MB. Free memory was 168.4 MB in the beginning and 166.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.17 ms. Allocated memory is still 186.6 MB. Free memory was 166.9 MB in the beginning and 165.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 457.79 ms. Allocated memory is still 186.6 MB. Free memory was 165.9 MB in the beginning and 146.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3282.69 ms. Allocated memory is still 186.6 MB. Free memory was 146.0 MB in the beginning and 116.6 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 63, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 51, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 8, Negative conditional cache size: 6, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 8, Negative conditional cache size: 6, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 8, Negative conditional cache size: 6, Negative unconditional cache size: 2, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 8, Negative conditional cache size: 6, Negative unconditional cache size: 2, Eliminated conditions: 0 ], Maximal queried relation: 3, Independence queries for same thread: 12 - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3165.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 1966.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.5ms SsaConstructionTime, 112.0ms SatisfiabilityAnalysisTime, 889.0ms InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...