/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:46:55,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:46:55,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:46:55,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 08:46:55,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 08:46:55,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 08:46:55,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 08:46:55,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 08:46:55,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 08:46:55,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 08:46:55,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 08:46:55,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 08:46:55,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 08:46:55,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 08:46:55,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 08:46:55,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 08:46:55,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 08:46:55,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 08:46:55,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 08:46:55,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 08:46:55,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 08:46:55,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 08:46:55,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 08:46:55,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 08:46:55,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 08:46:55,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:46:55,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:46:55,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:46:55,342 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-DelaySleep-NoLbe.epf [2021-06-06 08:46:55,356 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:46:55,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:46:55,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:46:55,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:46:55,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:46:55,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:46:55,357 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:46:55,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:46:55,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:46:55,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:46:55,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:46:55,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:46:55,359 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:46:55,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:46:55,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:46:55,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:46:55,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:46:55,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:46:55,584 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:46:55,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-06-06 08:46:55,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c7071af/d8450e1d20b8435e9c07f55a97ad8769/FLAG9960ebd1b [2021-06-06 08:46:56,004 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:46:56,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-06-06 08:46:56,004 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:46:56,005 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-06 08:46:56,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c7071af/d8450e1d20b8435e9c07f55a97ad8769/FLAG9960ebd1b [2021-06-06 08:46:56,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c7071af/d8450e1d20b8435e9c07f55a97ad8769 [2021-06-06 08:46:56,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:46:56,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:46:56,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:46:56,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:46:56,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:46:56,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e07ecbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56, skipping insertion in model container [2021-06-06 08:46:56,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:46:56,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:46:56,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:46:56,227 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:46:56,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:46:56,251 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:46:56,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56 WrapperNode [2021-06-06 08:46:56,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:46:56,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:46:56,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:46:56,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:46:56,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:46:56,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:46:56,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:46:56,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:46:56,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (1/1) ... [2021-06-06 08:46:56,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:46:56,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:46:56,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:46:56,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:46:56,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (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 [2021-06-06 08:46:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:46:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-06 08:46:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-06 08:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:46:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-06 08:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 08:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:46:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:46:56,357 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:46:56,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:46:56,587 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 08:46:56,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:46:56 BoogieIcfgContainer [2021-06-06 08:46:56,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:46:56,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:46:56,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:46:56,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:46:56,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:46:56" (1/3) ... [2021-06-06 08:46:56,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b4b0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:46:56, skipping insertion in model container [2021-06-06 08:46:56,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:46:56" (2/3) ... [2021-06-06 08:46:56,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b4b0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:46:56, skipping insertion in model container [2021-06-06 08:46:56,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:46:56" (3/3) ... [2021-06-06 08:46:56,592 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2021-06-06 08:46:56,595 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:46:56,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:46:56,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:46:56,596 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,616 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,617 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,618 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,619 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,620 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,621 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,622 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,623 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,624 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,625 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,626 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,627 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,627 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,627 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,627 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,627 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,628 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,628 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,631 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,632 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,634 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,635 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:46:56,651 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-06 08:46:56,664 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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) [2021-06-06 08:46:56,703 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:46:56,703 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:46:56,703 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:46:56,703 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:46:56,703 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:46:56,703 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:46:56,703 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:46:56,704 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 08:46:56,748 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:46:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:46:56,754 INFO L82 PathProgramCache]: Analyzing trace with hash -903835818, now seen corresponding path program 1 times [2021-06-06 08:46:56,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:46:56,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323543488] [2021-06-06 08:46:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:46:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:46:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:46:57,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:46:57,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323543488] [2021-06-06 08:46:57,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323543488] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:46:57,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:46:57,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-06 08:46:57,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182679476] [2021-06-06 08:46:57,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 08:46:57,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:46:57,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 08:46:57,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-06-06 08:46:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:46:57,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:46:57,757 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 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) [2021-06-06 08:46:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:46:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 08:46:58,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:46:58,721 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:46:58,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:46:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash -16361928, now seen corresponding path program 1 times [2021-06-06 08:46:58,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:46:58,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55618976] [2021-06-06 08:46:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:46:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:46:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:46:58,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:46:58,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55618976] [2021-06-06 08:46:58,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55618976] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:46:58,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:46:58,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-06 08:46:58,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032470183] [2021-06-06 08:46:58,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 08:46:58,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:46:58,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 08:46:58,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-06-06 08:46:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:46:58,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:46:58,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 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) [2021-06-06 08:46:58,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 08:46:58,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:46:59,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 08:46:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:46:59,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 08:46:59,470 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:46:59,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:46:59,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1197857322, now seen corresponding path program 2 times [2021-06-06 08:46:59,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:46:59,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990773973] [2021-06-06 08:46:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:46:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:47:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:47:00,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:47:00,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990773973] [2021-06-06 08:47:00,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990773973] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:47:00,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:47:00,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-06 08:47:00,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243965875] [2021-06-06 08:47:00,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 08:47:00,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:47:00,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 08:47:00,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2021-06-06 08:47:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:47:00,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:47:00,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 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) [2021-06-06 08:47:00,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 08:47:00,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:47:00,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:47:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 08:47:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:47:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 08:47:01,206 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 08:47:01,206 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 08:47:01,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:47:01,207 INFO L82 PathProgramCache]: Analyzing trace with hash -310383432, now seen corresponding path program 2 times [2021-06-06 08:47:01,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:47:01,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075904047] [2021-06-06 08:47:01,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:47:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 08:47:01,227 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 08:47:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 08:47:01,242 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 08:47:01,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-06 08:47:01,272 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-06 08:47:01,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 08:47:01,280 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:47:01,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:47:01 BasicIcfg [2021-06-06 08:47:01,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:47:01,335 INFO L168 Benchmark]: Toolchain (without parser) took 5291.27 ms. Allocated memory was 413.1 MB in the beginning and 545.3 MB in the end (delta: 132.1 MB). Free memory was 375.5 MB in the beginning and 381.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 126.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:47:01,336 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 413.1 MB. Free memory was 393.8 MB in the beginning and 393.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:47:01,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.03 ms. Allocated memory is still 413.1 MB. Free memory was 375.4 MB in the beginning and 396.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-06-06 08:47:01,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.98 ms. Allocated memory is still 413.1 MB. Free memory was 396.3 MB in the beginning and 394.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:47:01,336 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 413.1 MB. Free memory was 394.2 MB in the beginning and 393.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:47:01,336 INFO L168 Benchmark]: RCFGBuilder took 286.47 ms. Allocated memory is still 413.1 MB. Free memory was 393.2 MB in the beginning and 373.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-06 08:47:01,337 INFO L168 Benchmark]: TraceAbstraction took 4746.13 ms. Allocated memory was 413.1 MB in the beginning and 545.3 MB in the end (delta: 132.1 MB). Free memory was 373.2 MB in the beginning and 381.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.0 GB. [2021-06-06 08:47:01,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 413.1 MB. Free memory was 393.8 MB in the beginning and 393.7 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 206.03 ms. Allocated memory is still 413.1 MB. Free memory was 375.4 MB in the beginning and 396.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.98 ms. Allocated memory is still 413.1 MB. Free memory was 396.3 MB in the beginning and 394.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 413.1 MB. Free memory was 394.2 MB in the beginning and 393.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 286.47 ms. Allocated memory is still 413.1 MB. Free memory was 393.2 MB in the beginning and 373.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4746.13 ms. Allocated memory was 413.1 MB in the beginning and 545.3 MB in the end (delta: 132.1 MB). Free memory was 373.2 MB in the beginning and 381.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1274, positive: 1216, positive conditional: 1216, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1272, positive: 1216, positive conditional: 1216, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1272, positive: 1214, positive conditional: 0, positive unconditional: 1214, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 195, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 195, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 20, negative conditional: 11, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 53, negative conditional: 18, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1272, positive: 1028, positive conditional: 0, positive unconditional: 1028, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 195, unknown conditional: 0, unknown unconditional: 195] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 187, Positive conditional cache size: 1, Positive unconditional cache size: 186, Negative cache size: 20, Negative conditional cache size: 11, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 20, negative conditional: 11, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 53, negative conditional: 18, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 141, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 128, negative conditional: 42, negative unconditional: 86, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 187, Positive conditional cache size: 1, Positive unconditional cache size: 186, Negative cache size: 20, Negative conditional cache size: 11, Negative unconditional cache size: 9, Eliminated conditions: 86, SemanticConditionEliminator.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 20, negative conditional: 11, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 53, negative conditional: 18, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 141, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 128, negative conditional: 42, negative unconditional: 86, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 187, Positive conditional cache size: 1, Positive unconditional cache size: 186, Negative cache size: 20, Negative conditional cache size: 11, Negative unconditional cache size: 9, Eliminated conditions: 86, SemanticConditionEliminator.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 139, negative conditional: 53, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 20, negative conditional: 11, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 53, negative conditional: 18, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 141, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 128, negative conditional: 42, negative unconditional: 86, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 187, Positive conditional cache size: 1, Positive unconditional cache size: 186, Negative cache size: 20, Negative conditional cache size: 11, Negative unconditional cache size: 9, Eliminated conditions: 86 ], Maximal queried relation: 3, Independence queries for same thread: 2 - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0] [L25] 0 pthread_t first_thread_id; VAL [counter=0] [L26] 0 pthread_t second_thread_id; VAL [counter=0] [L27] 0 pthread_t third_thread_id; VAL [counter=0] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L16] 1 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 2 ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 3 ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 93 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4604.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 2750.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 75, 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: 13.1ms SsaConstructionTime, 167.8ms SatisfiabilityAnalysisTime, 1477.1ms InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 2525 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...