/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 13:49:09,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 13:49:09,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 13:49:09,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 13:49:09,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 13:49:09,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 13:49:09,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 13:49:09,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 13:49:09,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 13:49:09,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 13:49:09,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 13:49:09,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 13:49:09,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 13:49:09,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 13:49:09,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 13:49:09,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 13:49:09,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 13:49:09,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 13:49:09,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 13:49:09,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 13:49:09,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 13:49:09,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 13:49:09,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 13:49:09,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 13:49:09,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 13:49:09,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 13:49:09,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 13:49:09,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 13:49:09,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 13:49:09,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 13:49:09,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 13:49:09,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 13:49:09,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 13:49:09,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 13:49:09,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 13:49:09,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 13:49:09,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 13:49:09,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 13:49:09,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 13:49:09,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 13:49:09,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 13:49:09,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf [2020-11-12 13:49:09,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 13:49:09,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 13:49:09,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 13:49:09,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 13:49:09,563 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 13:49:09,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 13:49:09,563 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 13:49:09,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 13:49:09,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 13:49:09,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 13:49:09,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 13:49:09,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 13:49:09,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 13:49:09,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 13:49:09,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 13:49:09,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 13:49:09,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 13:49:09,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 13:49:09,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 13:49:09,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 13:49:09,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 13:49:09,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 13:49:09,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 13:49:09,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 13:49:09,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 13:49:09,569 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 13:49:09,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 13:49:10,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 13:49:10,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 13:49:10,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 13:49:10,027 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 13:49:10,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-11-12 13:49:10,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efab2812/ad2ebb28d1a74cc187bbfd7ea3b6a2f2/FLAG771fcd621 [2020-11-12 13:49:10,731 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 13:49:10,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-11-12 13:49:10,732 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-12 13:49:10,732 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-11-12 13:49:10,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efab2812/ad2ebb28d1a74cc187bbfd7ea3b6a2f2/FLAG771fcd621 [2020-11-12 13:49:11,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3efab2812/ad2ebb28d1a74cc187bbfd7ea3b6a2f2 [2020-11-12 13:49:11,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 13:49:11,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 13:49:11,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 13:49:11,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 13:49:11,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 13:49:11,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffdc103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11, skipping insertion in model container [2020-11-12 13:49:11,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 13:49:11,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 13:49:11,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 13:49:11,311 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 13:49:11,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 13:49:11,342 INFO L208 MainTranslator]: Completed translation [2020-11-12 13:49:11,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11 WrapperNode [2020-11-12 13:49:11,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 13:49:11,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 13:49:11,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 13:49:11,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 13:49:11,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 13:49:11,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 13:49:11,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 13:49:11,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 13:49:11,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (1/1) ... [2020-11-12 13:49:11,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 13:49:11,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 13:49:11,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 13:49:11,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 13:49:11,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (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 [2020-11-12 13:49:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 13:49:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-11-12 13:49:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-11-12 13:49:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 13:49:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 13:49:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 13:49:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 13:49:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 13:49:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 13:49:11,475 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 13:49:11,737 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 13:49:11,738 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-12 13:49:11,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:49:11 BoogieIcfgContainer [2020-11-12 13:49:11,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 13:49:11,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 13:49:11,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 13:49:11,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 13:49:11,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:49:11" (1/3) ... [2020-11-12 13:49:11,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f464fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:49:11, skipping insertion in model container [2020-11-12 13:49:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:49:11" (2/3) ... [2020-11-12 13:49:11,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f464fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:49:11, skipping insertion in model container [2020-11-12 13:49:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:49:11" (3/3) ... [2020-11-12 13:49:11,749 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2020-11-12 13:49:11,772 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 13:49:11,772 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 13:49:11,776 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 13:49:11,777 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 13:49:11,815 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,815 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,815 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,815 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,816 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,816 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,816 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,816 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,816 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,817 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,817 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,817 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,818 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,818 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,818 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,818 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,819 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,819 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,820 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,820 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,820 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,821 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,821 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,824 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,825 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,825 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,825 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,826 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,826 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,828 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,828 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,829 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,829 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,829 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,829 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,830 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,830 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,830 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,830 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,831 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,831 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,831 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,831 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,832 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,837 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,837 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,838 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,838 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,839 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,839 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,839 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,839 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,840 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,840 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,842 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,843 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,843 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,843 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,844 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,844 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,844 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,844 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,845 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,845 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,848 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,848 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,848 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,849 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,849 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,849 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,849 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,850 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,850 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,850 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,850 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,851 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,851 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,854 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,854 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,855 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,855 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,855 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,855 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,856 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,856 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,858 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,859 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,865 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,866 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,866 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,869 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,869 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,870 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,885 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,885 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,886 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,886 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,886 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,886 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,886 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,890 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,891 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,891 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,891 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,891 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,891 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,892 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:49:11,907 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-11-12 13:49:11,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 13:49:11,944 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:49:11,944 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:49:11,944 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:49:11,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:49:11,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:49:11,945 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:49:11,945 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:49:11,945 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:49:11,959 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 77 transitions, 196 flow [2020-11-12 13:49:12,275 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3297 states, 3295 states have (on average 3.1116843702579664) internal successors, (10253), 3296 states have internal predecessors, (10253), 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) [2020-11-12 13:49:12,855 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 576ms [2020-11-12 13:49:12,867 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 3297 states, 3295 states have (on average 3.1116843702579664) internal successors, (10253), 3296 states have internal predecessors, (10253), 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) [2020-11-12 13:49:12,877 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 4495 states, 4194 states have (on average 1.4928469241773963) internal successors, (6261), 4494 states have internal predecessors, (6261), 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) [2020-11-12 13:49:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 4495 states, 4194 states have (on average 1.4928469241773963) internal successors, (6261), 4494 states have internal predecessors, (6261), 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) [2020-11-12 13:49:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-12 13:49:12,920 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:49:12,921 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 13:49:12,922 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-11-12 13:49:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:49:12,928 INFO L82 PathProgramCache]: Analyzing trace with hash 639163636, now seen corresponding path program 1 times [2020-11-12 13:49:12,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:49:12,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824761341] [2020-11-12 13:49:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:49:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:49:13,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:49:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:49:13,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:49:13,235 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 13:49:13,236 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 13:49:13,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 13:49:13,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:49:13 BasicIcfg [2020-11-12 13:49:13,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 13:49:13,373 INFO L168 Benchmark]: Toolchain (without parser) took 2261.34 ms. Allocated memory is still 306.2 MB. Free memory was 280.8 MB in the beginning and 160.9 MB in the end (delta: 119.9 MB). Peak memory consumption was 121.5 MB. Max. memory is 16.0 GB. [2020-11-12 13:49:13,374 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory was 226.3 MB in the beginning and 226.2 MB in the end (delta: 68.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 13:49:13,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.77 ms. Allocated memory is still 306.2 MB. Free memory was 280.2 MB in the beginning and 271.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2020-11-12 13:49:13,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.19 ms. Allocated memory is still 306.2 MB. Free memory was 271.5 MB in the beginning and 270.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 13:49:13,381 INFO L168 Benchmark]: Boogie Preprocessor took 20.38 ms. Allocated memory is still 306.2 MB. Free memory was 270.0 MB in the beginning and 269.0 MB in the end (delta: 958.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 13:49:13,382 INFO L168 Benchmark]: RCFGBuilder took 336.39 ms. Allocated memory is still 306.2 MB. Free memory was 269.0 MB in the beginning and 281.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.0 GB. [2020-11-12 13:49:13,385 INFO L168 Benchmark]: TraceAbstraction took 1626.81 ms. Allocated memory is still 306.2 MB. Free memory was 281.5 MB in the beginning and 160.9 MB in the end (delta: 120.6 MB). Peak memory consumption was 119.5 MB. Max. memory is 16.0 GB. [2020-11-12 13:49:13,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory was 226.3 MB in the beginning and 226.2 MB in the end (delta: 68.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 226.77 ms. Allocated memory is still 306.2 MB. Free memory was 280.2 MB in the beginning and 271.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.19 ms. Allocated memory is still 306.2 MB. Free memory was 271.5 MB in the beginning and 270.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.38 ms. Allocated memory is still 306.2 MB. Free memory was 270.0 MB in the beginning and 269.0 MB in the end (delta: 958.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 336.39 ms. Allocated memory is still 306.2 MB. Free memory was 269.0 MB in the beginning and 281.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1626.81 ms. Allocated memory is still 306.2 MB. Free memory was 281.5 MB in the beginning and 160.9 MB in the end (delta: 120.6 MB). Peak memory consumption was 119.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; 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}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 3 ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [++counter=2, \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 [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; 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 CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4495occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...