./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95a6a53a7c7a639840babfa2e257c834290a2727 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95a6a53a7c7a639840babfa2e257c834290a2727 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:42:38,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:42:38,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:42:38,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:42:38,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:42:38,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:42:38,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:42:38,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:42:38,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:42:38,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:42:38,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:42:38,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:42:38,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:42:38,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:42:38,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:42:38,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:42:38,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:42:38,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:42:38,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:42:38,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:42:38,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:42:38,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:42:38,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:42:38,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:42:38,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:42:38,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:42:38,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:42:38,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:42:38,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:42:38,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:42:38,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:42:38,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:42:38,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:42:38,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:42:38,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:42:38,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:42:38,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:42:38,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:42:38,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:42:38,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:42:38,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:42:38,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 02:42:38,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:42:38,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:42:38,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:42:38,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:42:38,592 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:42:38,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:42:38,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:42:38,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 02:42:38,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:42:38,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:42:38,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:42:38,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:42:38,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:42:38,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:42:38,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:42:38,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:42:38,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:42:38,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:42:38,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:42:38,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:42:38,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:42:38,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:42:38,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:42:38,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:42:38,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:42:38,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 02:42:38,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 02:42:38,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:42:38,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:42:38,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95a6a53a7c7a639840babfa2e257c834290a2727 [2020-10-20 02:42:38,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:42:38,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:42:38,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:42:38,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:42:38,822 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:42:38,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2020-10-20 02:42:38,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b278849c8/73d19ce46a7941789691ddec39253b1b/FLAG5466b3ac3 [2020-10-20 02:42:39,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:42:39,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2020-10-20 02:42:39,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b278849c8/73d19ce46a7941789691ddec39253b1b/FLAG5466b3ac3 [2020-10-20 02:42:39,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b278849c8/73d19ce46a7941789691ddec39253b1b [2020-10-20 02:42:39,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:42:39,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:42:39,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:39,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:42:39,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:42:39,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cc2c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39, skipping insertion in model container [2020-10-20 02:42:39,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:42:39,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:42:40,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:40,400 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:42:40,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:40,650 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:42:40,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40 WrapperNode [2020-10-20 02:42:40,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:40,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:40,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:42:40,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:42:40,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:40,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:42:40,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:42:40,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:42:40,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (1/1) ... [2020-10-20 02:42:40,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:42:40,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:42:40,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:42:40,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:42:40,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (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 [2020-10-20 02:42:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:42:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:42:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 02:42:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 02:42:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-20 02:42:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-20 02:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-20 02:42:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-20 02:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 02:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 02:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 02:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:42:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:42:40,814 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:42:41,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:42:41,199 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 02:42:41,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:41 BoogieIcfgContainer [2020-10-20 02:42:41,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:42:41,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:42:41,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:42:41,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:42:41,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:42:39" (1/3) ... [2020-10-20 02:42:41,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34037cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:41, skipping insertion in model container [2020-10-20 02:42:41,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:40" (2/3) ... [2020-10-20 02:42:41,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34037cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:41, skipping insertion in model container [2020-10-20 02:42:41,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:41" (3/3) ... [2020-10-20 02:42:41,211 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-10-20 02:42:41,222 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:42:41,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:42:41,230 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 02:42:41,231 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:42:41,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,256 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,257 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,257 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,257 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,258 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,260 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,260 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,260 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,260 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,261 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,261 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,261 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,262 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,265 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,302 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,302 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,304 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:41,318 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-20 02:42:41,333 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 02:42:41,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:42:41,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:42:41,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:42:41,351 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:42:41,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:42:41,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:42:41,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:42:41,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:42:41,365 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:42:41,368 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 74 transitions, 170 flow [2020-10-20 02:42:41,371 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 74 transitions, 170 flow [2020-10-20 02:42:41,374 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 74 transitions, 170 flow [2020-10-20 02:42:41,416 INFO L129 PetriNetUnfolder]: 5/70 cut-off events. [2020-10-20 02:42:41,416 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-20 02:42:41,420 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 70 events. 5/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-10-20 02:42:41,422 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-20 02:42:43,200 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-10-20 02:42:43,315 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-20 02:42:43,389 INFO L132 LiptonReduction]: Checked pairs total: 177 [2020-10-20 02:42:43,389 INFO L134 LiptonReduction]: Total number of compositions: 71 [2020-10-20 02:42:43,397 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-20 02:42:43,410 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-20 02:42:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-20 02:42:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 02:42:43,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:43,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:43,432 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:43,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:43,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1907869380, now seen corresponding path program 1 times [2020-10-20 02:42:43,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:42:43,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208208082] [2020-10-20 02:42:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:42:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:42:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:43,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208208082] [2020-10-20 02:42:43,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:42:43,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 02:42:43,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923894029] [2020-10-20 02:42:43,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:42:43,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:42:43,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:42:43,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:43,701 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-20 02:42:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:42:43,726 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-20 02:42:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:42:43,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-20 02:42:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:42:43,737 INFO L225 Difference]: With dead ends: 19 [2020-10-20 02:42:43,738 INFO L226 Difference]: Without dead ends: 18 [2020-10-20 02:42:43,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:43,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-20 02:42:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 02:42:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 02:42:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-20 02:42:43,773 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-20 02:42:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:42:43,774 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-20 02:42:43,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:42:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-20 02:42:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 02:42:43,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:43,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:43,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 02:42:43,776 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:43,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1094009557, now seen corresponding path program 1 times [2020-10-20 02:42:43,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:42:43,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274158417] [2020-10-20 02:42:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:42:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:43,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:43,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:43,925 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 02:42:43,925 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:42:43,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 02:42:43,928 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:43,933 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [255] [255] L-1-6-->L1108-5: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In252924834|) (= (select (select |#memory_int_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In252924834|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In252924834|)) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out252924834|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In252924834|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out252924834| 0) (= (store |#memory_int_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In252924834| (store (select |#memory_int_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In252924834|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In252924834| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In252924834|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out252924834|)) |#memory_int_Out252924834|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In252924834|, #memory_int=|#memory_int_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In252924834|} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In252924834|, #memory_int=|#memory_int_Out252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In252924834|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In252924834|} AuxVars[] AssignedVars[#memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15] because there is no mapped edge [2020-10-20 02:42:43,947 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,948 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,949 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,950 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,950 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,962 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:42:43 BasicIcfg [2020-10-20 02:42:43,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:42:43,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:42:43,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:42:43,983 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:42:43,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:41" (3/4) ... [2020-10-20 02:42:43,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 02:42:43,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:42:43,990 INFO L168 Benchmark]: Toolchain (without parser) took 4260.13 ms. Allocated memory was 36.7 MB in the beginning and 73.9 MB in the end (delta: 37.2 MB). Free memory was 8.7 MB in the beginning and 29.0 MB in the end (delta: -20.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,991 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 36.7 MB. Free memory is still 15.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 02:42:43,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.70 ms. Allocated memory was 36.7 MB in the beginning and 53.0 MB in the end (delta: 16.3 MB). Free memory was 7.8 MB in the beginning and 26.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 53.0 MB. Free memory was 26.9 MB in the beginning and 24.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,994 INFO L168 Benchmark]: Boogie Preprocessor took 35.81 ms. Allocated memory is still 53.0 MB. Free memory was 24.4 MB in the beginning and 22.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,995 INFO L168 Benchmark]: RCFGBuilder took 458.32 ms. Allocated memory was 53.0 MB in the beginning and 52.4 MB in the end (delta: -524.3 kB). Free memory was 22.3 MB in the beginning and 18.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,996 INFO L168 Benchmark]: TraceAbstraction took 2779.78 ms. Allocated memory was 52.4 MB in the beginning and 73.9 MB in the end (delta: 21.5 MB). Free memory was 17.9 MB in the beginning and 29.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,997 INFO L168 Benchmark]: Witness Printer took 5.33 ms. Allocated memory is still 73.9 MB. Free memory was 29.9 MB in the beginning and 29.0 MB in the end (delta: 900.6 kB). Peak memory consumption was 900.6 kB. Max. memory is 14.3 GB. [2020-10-20 02:42:44,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 36.7 MB. Free memory is still 15.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 915.70 ms. Allocated memory was 36.7 MB in the beginning and 53.0 MB in the end (delta: 16.3 MB). Free memory was 7.8 MB in the beginning and 26.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 53.0 MB. Free memory was 26.9 MB in the beginning and 24.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.81 ms. Allocated memory is still 53.0 MB. Free memory was 24.4 MB in the beginning and 22.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 458.32 ms. Allocated memory was 53.0 MB in the beginning and 52.4 MB in the end (delta: -524.3 kB). Free memory was 22.3 MB in the beginning and 18.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2779.78 ms. Allocated memory was 52.4 MB in the beginning and 73.9 MB in the end (delta: 21.5 MB). Free memory was 17.9 MB in the beginning and 29.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.33 ms. Allocated memory is still 73.9 MB. Free memory was 29.9 MB in the beginning and 29.0 MB in the end (delta: 900.6 kB). Peak memory consumption was 900.6 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 65 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 7 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.0s, 74 PlacesBefore, 24 PlacesAfterwards, 74 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 33 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 71 TotalNumberOfCompositions, 177 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1115] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1109] 2 return 0; [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1118] 0 v[0] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:42:46,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:42:46,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:42:46,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:42:46,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:42:46,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:42:46,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:42:46,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:42:46,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:42:46,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:42:46,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:42:46,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:42:46,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:42:46,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:42:46,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:42:46,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:42:46,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:42:46,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:42:46,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:42:46,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:42:46,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:42:46,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:42:46,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:42:46,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:42:46,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:42:46,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:42:46,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:42:46,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:42:46,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:42:46,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:42:46,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:42:46,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:42:46,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:42:46,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:42:46,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:42:46,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:42:46,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:42:46,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:42:46,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:42:46,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:42:46,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:42:46,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 02:42:46,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:42:46,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:42:46,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:42:46,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:42:46,400 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:42:46,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:42:46,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:42:46,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:42:46,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:42:46,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:42:46,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:42:46,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:42:46,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 02:42:46,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 02:42:46,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:42:46,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:42:46,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:42:46,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:42:46,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:42:46,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:42:46,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:42:46,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:42:46,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:42:46,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:42:46,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:42:46,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:42:46,406 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 02:42:46,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 02:42:46,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:42:46,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:42:46,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 02:42:46,407 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95a6a53a7c7a639840babfa2e257c834290a2727 [2020-10-20 02:42:46,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:42:46,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:42:46,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:42:46,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:42:46,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:42:46,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2020-10-20 02:42:46,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9877fe7ef/1c7497314554414588f5610dc8c90fb6/FLAGb070e887a [2020-10-20 02:42:47,327 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:42:47,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2020-10-20 02:42:47,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9877fe7ef/1c7497314554414588f5610dc8c90fb6/FLAGb070e887a [2020-10-20 02:42:47,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9877fe7ef/1c7497314554414588f5610dc8c90fb6 [2020-10-20 02:42:47,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:42:47,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:42:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:47,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:42:47,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:42:47,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6d7525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47, skipping insertion in model container [2020-10-20 02:42:47,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:42:47,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:42:48,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:48,083 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:42:48,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:48,369 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:42:48,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48 WrapperNode [2020-10-20 02:42:48,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:48,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:48,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:42:48,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:42:48,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:48,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:42:48,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:42:48,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:42:48,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (1/1) ... [2020-10-20 02:42:48,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:42:48,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:42:48,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:42:48,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:42:48,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (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 [2020-10-20 02:42:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 02:42:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 02:42:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:42:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:42:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 02:42:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 02:42:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-20 02:42:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-20 02:42:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-20 02:42:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-20 02:42:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-10-20 02:42:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 02:42:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:42:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:42:48,571 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:42:48,980 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:42:48,981 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 02:42:48,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48 BoogieIcfgContainer [2020-10-20 02:42:48,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:42:48,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:42:48,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:42:48,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:42:48,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:42:47" (1/3) ... [2020-10-20 02:42:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a651e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:48, skipping insertion in model container [2020-10-20 02:42:48,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:48" (2/3) ... [2020-10-20 02:42:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a651e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:48, skipping insertion in model container [2020-10-20 02:42:48,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48" (3/3) ... [2020-10-20 02:42:48,993 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-10-20 02:42:49,005 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:42:49,006 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:42:49,013 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 02:42:49,014 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:42:49,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,042 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,043 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,045 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,046 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,046 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,046 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,061 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,061 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,072 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,073 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:49,084 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-20 02:42:49,097 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 02:42:49,117 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:42:49,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:42:49,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:42:49,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:42:49,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:42:49,118 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:42:49,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:42:49,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:42:49,132 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:42:49,135 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 172 flow [2020-10-20 02:42:49,138 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 172 flow [2020-10-20 02:42:49,157 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 172 flow [2020-10-20 02:42:49,206 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2020-10-20 02:42:49,207 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-20 02:42:49,211 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 71 events. 5/71 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-10-20 02:42:49,217 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-20 02:42:49,560 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-10-20 02:42:49,751 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-10-20 02:42:51,626 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 02:42:51,749 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-20 02:42:52,338 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-20 02:42:52,704 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-20 02:42:52,768 INFO L132 LiptonReduction]: Checked pairs total: 191 [2020-10-20 02:42:52,768 INFO L134 LiptonReduction]: Total number of compositions: 72 [2020-10-20 02:42:52,775 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-20 02:42:52,784 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-20 02:42:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-20 02:42:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 02:42:52,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:52,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:52,793 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:52,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1297898566, now seen corresponding path program 1 times [2020-10-20 02:42:52,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 02:42:52,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497195407] [2020-10-20 02:42:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 02:42:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:42:52,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 02:42:52,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 02:42:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:52,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 02:42:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:52,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497195407] [2020-10-20 02:42:52,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:42:52,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-20 02:42:52,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510138244] [2020-10-20 02:42:53,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:42:53,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 02:42:53,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:42:53,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:53,022 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-20 02:42:53,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:42:53,083 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-20 02:42:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:42:53,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-20 02:42:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:42:53,095 INFO L225 Difference]: With dead ends: 19 [2020-10-20 02:42:53,095 INFO L226 Difference]: Without dead ends: 18 [2020-10-20 02:42:53,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-20 02:42:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 02:42:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 02:42:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-20 02:42:53,134 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-20 02:42:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:42:53,135 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-20 02:42:53,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:42:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-20 02:42:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 02:42:53,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:53,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:53,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:53,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:53,353 INFO L82 PathProgramCache]: Analyzing trace with hash -653373278, now seen corresponding path program 1 times [2020-10-20 02:42:53,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 02:42:53,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493959357] [2020-10-20 02:42:53,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:53,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:53,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:53,561 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 02:42:53,562 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:42:53,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,778 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:53,784 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [257] [257] L-1-6-->L1108-5: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out-714484559| (_ bv0 8)) (= |#memory_int_Out-714484559| (store |#memory_int_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-714484559| (store (select |#memory_int_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-714484559|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In-714484559|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out-714484559|)))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-714484559|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-714484559|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out-714484559| ((_ extract 7 0) (select (select |#memory_int_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-714484559|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-714484559| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In-714484559|))))) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-714484559|, #memory_int=|#memory_int_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-714484559|} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-714484559|, #memory_int=|#memory_int_Out-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-714484559|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-714484559|} AuxVars[] AssignedVars[#memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15] because there is no mapped edge [2020-10-20 02:42:53,798 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,801 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,802 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,802 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,803 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,803 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,804 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,804 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,804 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,805 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,805 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,806 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,806 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,807 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,807 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,809 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,809 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,810 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,810 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,813 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,813 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:42:53 BasicIcfg [2020-10-20 02:42:53,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:42:53,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:42:53,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:42:53,856 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:42:53,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48" (3/4) ... [2020-10-20 02:42:53,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 02:42:53,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:42:53,864 INFO L168 Benchmark]: Toolchain (without parser) took 6315.09 ms. Allocated memory was 43.0 MB in the beginning and 68.2 MB in the end (delta: 25.2 MB). Free memory was 18.8 MB in the beginning and 13.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,865 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 8.8 MB in the beginning and 8.8 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.75 ms. Allocated memory was 43.0 MB in the beginning and 49.3 MB in the end (delta: 6.3 MB). Free memory was 17.9 MB in the beginning and 29.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.14 ms. Allocated memory is still 49.3 MB. Free memory was 29.8 MB in the beginning and 27.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,868 INFO L168 Benchmark]: Boogie Preprocessor took 37.11 ms. Allocated memory is still 49.3 MB. Free memory was 27.2 MB in the beginning and 25.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,870 INFO L168 Benchmark]: RCFGBuilder took 489.88 ms. Allocated memory was 49.3 MB in the beginning and 54.0 MB in the end (delta: 4.7 MB). Free memory was 25.0 MB in the beginning and 23.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,876 INFO L168 Benchmark]: TraceAbstraction took 4870.48 ms. Allocated memory was 54.0 MB in the beginning and 68.2 MB in the end (delta: 14.2 MB). Free memory was 23.5 MB in the beginning and 14.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,877 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 68.2 MB. Free memory is still 13.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 02:42:53,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 8.8 MB in the beginning and 8.8 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 817.75 ms. Allocated memory was 43.0 MB in the beginning and 49.3 MB in the end (delta: 6.3 MB). Free memory was 17.9 MB in the beginning and 29.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 85.14 ms. Allocated memory is still 49.3 MB. Free memory was 29.8 MB in the beginning and 27.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 37.11 ms. Allocated memory is still 49.3 MB. Free memory was 27.2 MB in the beginning and 25.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 489.88 ms. Allocated memory was 49.3 MB in the beginning and 54.0 MB in the end (delta: 4.7 MB). Free memory was 25.0 MB in the beginning and 23.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4870.48 ms. Allocated memory was 54.0 MB in the beginning and 68.2 MB in the end (delta: 14.2 MB). Free memory was 23.5 MB in the beginning and 14.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.27 ms. Allocated memory is still 68.2 MB. Free memory is still 13.4 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 66 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 75 PlacesBefore, 24 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 72 TotalNumberOfCompositions, 191 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1115] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1109] 2 return 0; [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1118] 0 v[0] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 1 NumberOfNonLiveVariables, 63 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...