./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96f16385 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_1.5.800.v20200727-1323.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_s.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 ce6ab85d567b430987e90c0caeb17855dc670c31 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1.5.800.v20200727-1323.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_s.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 ce6ab85d567b430987e90c0caeb17855dc670c31 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-96f1638 [2020-12-02 11:41:45,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 11:41:45,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 11:41:45,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 11:41:45,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 11:41:45,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 11:41:45,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 11:41:45,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 11:41:45,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 11:41:45,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 11:41:45,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 11:41:45,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 11:41:45,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 11:41:45,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 11:41:45,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 11:41:45,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 11:41:45,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 11:41:45,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 11:41:45,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 11:41:45,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 11:41:46,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 11:41:46,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 11:41:46,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 11:41:46,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 11:41:46,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 11:41:46,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 11:41:46,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 11:41:46,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 11:41:46,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 11:41:46,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 11:41:46,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 11:41:46,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 11:41:46,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 11:41:46,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 11:41:46,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 11:41:46,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 11:41:46,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 11:41:46,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 11:41:46,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 11:41:46,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 11:41:46,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 11:41:46,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 11:41:46,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 11:41:46,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 11:41:46,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 11:41:46,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 11:41:46,089 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 11:41:46,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 11:41:46,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 11:41:46,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 11:41:46,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 11:41:46,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 11:41:46,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 11:41:46,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 11:41:46,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 11:41:46,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 11:41:46,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 11:41:46,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 11:41:46,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 11:41:46,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 11:41:46,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 11:41:46,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 11:41:46,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 11:41:46,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:41:46,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 11:41:46,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 11:41:46,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 11:41:46,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 11:41:46,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 11:41:46,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 11:41:46,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 11:41:46,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-12-02 11:41:46,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 11:41:46,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 11:41:46,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 11:41:46,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 11:41:46,555 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 11:41:46,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-12-02 11:41:46,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aae8f9b/f27585e2ae7f4cd6a1cd45fdc4ffe96d/FLAG29275def1 [2020-12-02 11:41:47,544 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 11:41:47,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-12-02 11:41:47,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aae8f9b/f27585e2ae7f4cd6a1cd45fdc4ffe96d/FLAG29275def1 [2020-12-02 11:41:47,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aae8f9b/f27585e2ae7f4cd6a1cd45fdc4ffe96d [2020-12-02 11:41:47,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 11:41:47,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 11:41:47,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 11:41:47,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 11:41:47,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 11:41:47,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:47" (1/1) ... [2020-12-02 11:41:47,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a5ba56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:47, skipping insertion in model container [2020-12-02 11:41:47,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:47" (1/1) ... [2020-12-02 11:41:47,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 11:41:47,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 11:41:48,411 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-02 11:41:48,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:41:48,442 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 11:41:48,508 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-02 11:41:48,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:41:48,790 INFO L208 MainTranslator]: Completed translation [2020-12-02 11:41:48,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48 WrapperNode [2020-12-02 11:41:48,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 11:41:48,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 11:41:48,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 11:41:48,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 11:41:48,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 11:41:48,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 11:41:48,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 11:41:48,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 11:41:48,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (1/1) ... [2020-12-02 11:41:48,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 11:41:48,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 11:41:48,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 11:41:48,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 11:41:48,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (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 [2020-12-02 11:41:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 11:41:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 11:41:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-02 11:41:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 11:41:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-02 11:41:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-02 11:41:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-02 11:41:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-02 11:41:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 11:41:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-02 11:41:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 11:41:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 11:41:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 11:41:48,997 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 11:41:49,483 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 11:41:49,483 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 11:41:49,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:49 BoogieIcfgContainer [2020-12-02 11:41:49,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 11:41:49,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 11:41:49,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 11:41:49,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 11:41:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:41:47" (1/3) ... [2020-12-02 11:41:49,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697004f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:41:49, skipping insertion in model container [2020-12-02 11:41:49,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:48" (2/3) ... [2020-12-02 11:41:49,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697004f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:41:49, skipping insertion in model container [2020-12-02 11:41:49,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:49" (3/3) ... [2020-12-02 11:41:49,497 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-12-02 11:41:49,516 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-02 11:41:49,517 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 11:41:49,521 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 11:41:49,523 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-02 11:41:49,557 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,558 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,558 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,558 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,559 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,559 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,559 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,559 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,560 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,560 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,560 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,562 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,562 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,562 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,564 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,564 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,564 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,565 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,565 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,565 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,566 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,566 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,566 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,567 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,568 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,568 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,568 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,568 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,569 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,569 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,569 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,570 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,571 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,572 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,572 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,572 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,573 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,573 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,573 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,573 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,574 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,575 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,579 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,579 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,579 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,584 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,586 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,587 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,587 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,595 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,596 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:41:49,604 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-02 11:41:49,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-02 11:41:49,646 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 11:41:49,646 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 11:41:49,646 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 11:41:49,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 11:41:49,647 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 11:41:49,647 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 11:41:49,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 11:41:49,647 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 11:41:49,663 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-02 11:41:49,666 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 172 flow [2020-12-02 11:41:49,670 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 172 flow [2020-12-02 11:41:49,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 172 flow [2020-12-02 11:41:49,738 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2020-12-02 11:41:49,738 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-02 11:41:49,741 INFO L84 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 4. Compared 54 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-12-02 11:41:49,744 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-02 11:41:52,217 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-02 11:41:53,290 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-12-02 11:41:53,416 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-02 11:41:53,765 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-12-02 11:41:53,908 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-02 11:41:53,921 INFO L131 LiptonReduction]: Checked pairs total: 176 [2020-12-02 11:41:53,921 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-12-02 11:41:53,928 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-02 11:41:53,937 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-02 11:41:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 11:41:53,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 11:41:53,945 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:41:53,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:41:53,947 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 11:41:53,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:41:53,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1680285740, now seen corresponding path program 1 times [2020-12-02 11:41:53,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:41:53,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33239462] [2020-12-02 11:41:53,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:41:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:41:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:41:54,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33239462] [2020-12-02 11:41:54,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:41:54,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-02 11:41:54,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385144963] [2020-12-02 11:41:54,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:41:54,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 11:41:54,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:41:54,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:41:54,277 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-02 11:41:54,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:41:54,318 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-02 11:41:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:41:54,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-02 11:41:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:41:54,332 INFO L225 Difference]: With dead ends: 19 [2020-12-02 11:41:54,334 INFO L226 Difference]: Without dead ends: 18 [2020-12-02 11:41:54,336 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 [2020-12-02 11:41:54,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-02 11:41:54,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-02 11:41:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-02 11:41:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-02 11:41:54,374 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-02 11:41:54,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:41:54,375 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-02 11:41:54,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:41:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-02 11:41:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 11:41:54,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:41:54,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:41:54,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 11:41:54,376 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 11:41:54,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:41:54,382 INFO L82 PathProgramCache]: Analyzing trace with hash 477857307, now seen corresponding path program 1 times [2020-12-02 11:41:54,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 11:41:54,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301840770] [2020-12-02 11:41:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 11:41:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 11:41:54,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 11:41:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 11:41:54,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 11:41:54,557 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 11:41:54,558 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 11:41:54,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 11:41:54,593 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,594 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,595 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,595 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,599 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,600 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,600 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,600 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,601 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,601 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,603 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,604 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,604 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,607 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,608 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,608 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,608 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,609 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,610 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,611 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,614 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,615 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,619 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,620 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:41:54,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:41:54,622 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:41:54,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:41:54 BasicIcfg [2020-12-02 11:41:54,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 11:41:54,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 11:41:54,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 11:41:54,659 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 11:41:54,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:49" (3/4) ... [2020-12-02 11:41:54,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 11:41:54,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 11:41:54,672 INFO L168 Benchmark]: Toolchain (without parser) took 6872.66 ms. Allocated memory was 52.4 MB in the beginning and 146.8 MB in the end (delta: 94.4 MB). Free memory was 27.2 MB in the beginning and 51.4 MB in the end (delta: -24.2 MB). Peak memory consumption was 73.7 MB. Max. memory is 16.1 GB. [2020-12-02 11:41:54,673 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:41:54,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.01 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 31.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-12-02 11:41:54,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.72 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 29.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 11:41:54,676 INFO L168 Benchmark]: Boogie Preprocessor took 33.37 ms. Allocated memory is still 62.9 MB. Free memory was 29.2 MB in the beginning and 27.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:41:54,677 INFO L168 Benchmark]: RCFGBuilder took 601.27 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 40.0 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-02 11:41:54,678 INFO L168 Benchmark]: TraceAbstraction took 5170.04 ms. Allocated memory was 62.9 MB in the beginning and 146.8 MB in the end (delta: 83.9 MB). Free memory was 39.6 MB in the beginning and 51.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 16.1 GB. [2020-12-02 11:41:54,678 INFO L168 Benchmark]: Witness Printer took 12.46 ms. Allocated memory is still 146.8 MB. Free memory was 51.4 MB in the beginning and 51.4 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:41:54,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 39.8 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 987.01 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.0 MB in the beginning and 31.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.72 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 29.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.37 ms. Allocated memory is still 62.9 MB. Free memory was 29.2 MB in the beginning and 27.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 601.27 ms. Allocated memory is still 62.9 MB. Free memory was 27.8 MB in the beginning and 40.0 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5170.04 ms. Allocated memory was 62.9 MB in the beginning and 146.8 MB in the end (delta: 83.9 MB). Free memory was 39.6 MB in the beginning and 51.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 16.1 GB. * Witness Printer took 12.46 ms. Allocated memory is still 146.8 MB. Free memory was 51.4 MB in the beginning and 51.4 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 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_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_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_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_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_#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_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_#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_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_#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_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_#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_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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 73 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 75 PlacesBefore, 24 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 70 TotalNumberOfCompositions, 176 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 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}] [L1124] 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}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1125] 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}] [L1126] 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] 0 !v || v[0] == 'B' [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() 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: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, 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, 0.1s 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 0.2.0-96f1638 [2020-12-02 11:41:57,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 11:41:57,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 11:41:57,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 11:41:57,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 11:41:57,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 11:41:57,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 11:41:57,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 11:41:57,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 11:41:57,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 11:41:57,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 11:41:57,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 11:41:57,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 11:41:57,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 11:41:57,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 11:41:57,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 11:41:57,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 11:41:57,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 11:41:57,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 11:41:57,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 11:41:57,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 11:41:57,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 11:41:57,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 11:41:57,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 11:41:57,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 11:41:57,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 11:41:57,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 11:41:57,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 11:41:57,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 11:41:57,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 11:41:57,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 11:41:57,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 11:41:57,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 11:41:57,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 11:41:57,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 11:41:57,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 11:41:57,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 11:41:57,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 11:41:57,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 11:41:57,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 11:41:57,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 11:41:57,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 11:41:57,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 11:41:57,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 11:41:57,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 11:41:57,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 11:41:57,538 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 11:41:57,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 11:41:57,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 11:41:57,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 11:41:57,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 11:41:57,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 11:41:57,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 11:41:57,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 11:41:57,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 11:41:57,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 11:41:57,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 11:41:57,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 11:41:57,541 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 11:41:57,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 11:41:57,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 11:41:57,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 11:41:57,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 11:41:57,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 11:41:57,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 11:41:57,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 11:41:57,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 11:41:57,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 11:41:57,544 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 11:41:57,544 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 11:41:57,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 11:41:57,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 11:41:57,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 11:41:57,545 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-12-02 11:41:57,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 11:41:57,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 11:41:57,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 11:41:57,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 11:41:57,978 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 11:41:57,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-12-02 11:41:58,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453202f27/41fef36bd0384ec49f760a22ff688cdd/FLAGc77873053 [2020-12-02 11:41:58,895 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 11:41:58,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-12-02 11:41:58,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453202f27/41fef36bd0384ec49f760a22ff688cdd/FLAGc77873053 [2020-12-02 11:41:59,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453202f27/41fef36bd0384ec49f760a22ff688cdd [2020-12-02 11:41:59,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 11:41:59,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 11:41:59,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 11:41:59,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 11:41:59,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 11:41:59,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:59" (1/1) ... [2020-12-02 11:41:59,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b71a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:59, skipping insertion in model container [2020-12-02 11:41:59,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:59" (1/1) ... [2020-12-02 11:41:59,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 11:41:59,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 11:41:59,745 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-02 11:41:59,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:41:59,801 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 11:41:59,859 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-02 11:41:59,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 11:42:00,131 INFO L208 MainTranslator]: Completed translation [2020-12-02 11:42:00,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00 WrapperNode [2020-12-02 11:42:00,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 11:42:00,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 11:42:00,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 11:42:00,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 11:42:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 11:42:00,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 11:42:00,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 11:42:00,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 11:42:00,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (1/1) ... [2020-12-02 11:42:00,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 11:42:00,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 11:42:00,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 11:42:00,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 11:42:00,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (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 [2020-12-02 11:42:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-02 11:42:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 11:42:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 11:42:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 11:42:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 11:42:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 11:42:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-02 11:42:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-02 11:42:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-02 11:42:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-02 11:42:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-12-02 11:42:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-02 11:42:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 11:42:00,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 11:42:00,413 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-02 11:42:00,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 11:42:00,890 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 11:42:00,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:00 BoogieIcfgContainer [2020-12-02 11:42:00,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 11:42:00,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 11:42:00,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 11:42:00,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 11:42:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:41:59" (1/3) ... [2020-12-02 11:42:00,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c42fe61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:42:00, skipping insertion in model container [2020-12-02 11:42:00,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:00" (2/3) ... [2020-12-02 11:42:00,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c42fe61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:42:00, skipping insertion in model container [2020-12-02 11:42:00,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:00" (3/3) ... [2020-12-02 11:42:00,901 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-12-02 11:42:00,918 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-02 11:42:00,918 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 11:42:00,922 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 11:42:00,923 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-02 11:42:00,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,966 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,966 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,967 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,967 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,976 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,976 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,976 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,976 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,976 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,977 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,977 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,977 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,977 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,977 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,983 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,983 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,989 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,989 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,989 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,990 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,990 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,990 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,990 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,990 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,991 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-02 11:42:00,999 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-02 11:42:01,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-02 11:42:01,034 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 11:42:01,034 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 11:42:01,034 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 11:42:01,034 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 11:42:01,035 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 11:42:01,035 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 11:42:01,035 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 11:42:01,035 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 11:42:01,047 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-02 11:42:01,049 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 76 transitions, 174 flow [2020-12-02 11:42:01,053 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 76 transitions, 174 flow [2020-12-02 11:42:01,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 76 transitions, 174 flow [2020-12-02 11:42:01,110 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2020-12-02 11:42:01,111 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-02 11:42:01,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 72 events. 5/72 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-12-02 11:42:01,121 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-02 11:42:04,276 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-02 11:42:05,643 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-02 11:42:05,925 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-02 11:42:06,089 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-02 11:42:06,359 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-02 11:42:06,555 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-02 11:42:06,698 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-02 11:42:06,945 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-02 11:42:07,251 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2020-12-02 11:42:07,976 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-02 11:42:08,274 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-02 11:42:08,663 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-02 11:42:09,019 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-02 11:42:09,042 INFO L131 LiptonReduction]: Checked pairs total: 206 [2020-12-02 11:42:09,042 INFO L133 LiptonReduction]: Total number of compositions: 71 [2020-12-02 11:42:09,053 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-02 11:42:09,062 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-02 11:42:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-02 11:42:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 11:42:09,072 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:42:09,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:42:09,073 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 11:42:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:42:09,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1466678352, now seen corresponding path program 1 times [2020-12-02 11:42:09,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 11:42:09,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437173695] [2020-12-02 11:42:09,102 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 [2020-12-02 11:42:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 11:42:09,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-02 11:42:09,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 11:42:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:42:09,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 11:42:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 11:42:09,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437173695] [2020-12-02 11:42:09,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 11:42:09,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-02 11:42:09,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209932409] [2020-12-02 11:42:09,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-02 11:42:09,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 11:42:09,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-02 11:42:09,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-02 11:42:09,469 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-02 11:42:09,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 11:42:09,507 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-02 11:42:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 11:42:09,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-02 11:42:09,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 11:42:09,518 INFO L225 Difference]: With dead ends: 19 [2020-12-02 11:42:09,518 INFO L226 Difference]: Without dead ends: 18 [2020-12-02 11:42:09,520 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 [2020-12-02 11:42:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-02 11:42:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-02 11:42:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-02 11:42:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-02 11:42:09,555 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-02 11:42:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 11:42:09,556 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-02 11:42:09,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-02 11:42:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-02 11:42:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 11:42:09,557 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 11:42:09,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 11:42:09,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 11:42:09,767 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 11:42:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 11:42:09,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1683603921, now seen corresponding path program 1 times [2020-12-02 11:42:09,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 11:42:09,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364792503] [2020-12-02 11:42:09,771 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 [2020-12-02 11:42:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 11:42:09,960 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 11:42:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 11:42:10,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 11:42:10,094 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 11:42:10,094 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 11:42:10,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 11:42:10,331 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,337 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,338 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-02 11:42:10,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-02 11:42:10,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-02 11:42:10,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:42:10 BasicIcfg [2020-12-02 11:42:10,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 11:42:10,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 11:42:10,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 11:42:10,368 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 11:42:10,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:00" (3/4) ... [2020-12-02 11:42:10,372 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 11:42:10,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 11:42:10,374 INFO L168 Benchmark]: Toolchain (without parser) took 11286.54 ms. Allocated memory was 46.1 MB in the beginning and 121.6 MB in the end (delta: 75.5 MB). Free memory was 21.6 MB in the beginning and 56.3 MB in the end (delta: -34.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,375 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.8 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:42:10,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.45 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 33.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.14 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 31.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,377 INFO L168 Benchmark]: Boogie Preprocessor took 41.33 ms. Allocated memory is still 56.6 MB. Free memory was 31.1 MB in the beginning and 29.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,378 INFO L168 Benchmark]: RCFGBuilder took 613.20 ms. Allocated memory is still 56.6 MB. Free memory was 29.3 MB in the beginning and 20.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,379 INFO L168 Benchmark]: TraceAbstraction took 9472.91 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 20.0 MB in the beginning and 56.3 MB in the end (delta: -36.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-12-02 11:42:10,380 INFO L168 Benchmark]: Witness Printer took 5.09 ms. Allocated memory is still 121.6 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 11:42:10,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 19.9 MB in the beginning and 19.8 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1043.45 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 33.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.14 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 31.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.33 ms. Allocated memory is still 56.6 MB. Free memory was 31.1 MB in the beginning and 29.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 613.20 ms. Allocated memory is still 56.6 MB. Free memory was 29.3 MB in the beginning and 20.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9472.91 ms. Allocated memory was 56.6 MB in the beginning and 121.6 MB in the end (delta: 65.0 MB). Free memory was 20.0 MB in the beginning and 56.3 MB in the end (delta: -36.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.09 ms. Allocated memory is still 121.6 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_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_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_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_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_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_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_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_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_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_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_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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 78 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.9s, 76 PlacesBefore, 24 PlacesAfterwards, 76 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 71 TotalNumberOfCompositions, 206 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1123] 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}] [L1124] 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}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1125] 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}] [L1126] 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] 0 !v || v[0] == 'B' [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 1 NumberOfNonLiveVariables, 66 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...