./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013_variant-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_variant-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f874cf8cd89ff50bcf1cd9b98b1e6ab9880f2dbe .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:31:35,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:31:35,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:31:35,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:31:35,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:31:35,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:31:35,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:31:35,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:31:35,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:31:35,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:31:35,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:31:35,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:31:35,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:31:35,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:31:35,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:31:35,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:31:35,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:31:35,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:31:35,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:31:35,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:31:35,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:31:35,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:31:35,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:31:35,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:31:35,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:31:35,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:31:35,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:31:35,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:31:35,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:31:35,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:31:35,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:31:35,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:31:35,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:31:35,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:31:35,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:31:35,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:31:35,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:31:35,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:31:35,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:31:35,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:31:35,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:31:35,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:31:35,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:31:35,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:31:35,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:31:35,979 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:31:35,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:31:35,979 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:31:35,979 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:31:35,979 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:31:35,980 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:31:35,980 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:31:35,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:31:35,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:31:35,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:31:35,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:31:35,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:31:35,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> f874cf8cd89ff50bcf1cd9b98b1e6ab9880f2dbe [2019-12-07 16:31:36,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:31:36,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:31:36,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:31:36,096 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:31:36,097 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:31:36,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_variant-2.i [2019-12-07 16:31:36,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/data/9981cbb00/f1727f8ca235427581e6a487ea39908d/FLAGfde4d7ae8 [2019-12-07 16:31:36,603 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:31:36,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/sv-benchmarks/c/pthread-lit/fkp2013_variant-2.i [2019-12-07 16:31:36,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/data/9981cbb00/f1727f8ca235427581e6a487ea39908d/FLAGfde4d7ae8 [2019-12-07 16:31:36,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/data/9981cbb00/f1727f8ca235427581e6a487ea39908d [2019-12-07 16:31:36,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:31:36,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:31:36,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:36,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:31:36,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:31:36,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8a1219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36, skipping insertion in model container [2019-12-07 16:31:36,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:31:36,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:31:36,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:36,888 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:31:36,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:36,957 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:31:36,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36 WrapperNode [2019-12-07 16:31:36,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:36,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:36,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:31:36,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:31:36,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:36,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:31:36,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:31:36,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:31:36,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:36,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:37,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:37,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... [2019-12-07 16:31:37,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:31:37,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:31:37,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:31:37,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:31:37,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/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 [2019-12-07 16:31:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-07 16:31:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-07 16:31:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-07 16:31:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-07 16:31:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:31:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:31:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:31:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:31:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:31:37,046 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 16:31:37,212 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:31:37,213 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 16:31:37,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:37 BoogieIcfgContainer [2019-12-07 16:31:37,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:31:37,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:31:37,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:31:37,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:31:37,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:31:36" (1/3) ... [2019-12-07 16:31:37,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b9e6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:37, skipping insertion in model container [2019-12-07 16:31:37,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:36" (2/3) ... [2019-12-07 16:31:37,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b9e6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:37, skipping insertion in model container [2019-12-07 16:31:37,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:37" (3/3) ... [2019-12-07 16:31:37,218 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2019-12-07 16:31:37,224 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 16:31:37,224 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:31:37,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:31:37,228 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 16:31:37,244 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,244 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,245 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,246 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,246 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 16:31:37,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 16:31:37,276 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:31:37,276 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:31:37,276 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:31:37,276 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:31:37,276 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:31:37,276 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:31:37,276 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:31:37,276 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:31:37,285 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions [2019-12-07 16:31:37,286 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-07 16:31:37,321 INFO L134 PetriNetUnfolder]: 3/66 cut-off events. [2019-12-07 16:31:37,321 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:31:37,325 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs. 8/68 useless extension candidates. Maximal degree in co-relation 49. Up to 4 conditions per place. [2019-12-07 16:31:37,327 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-07 16:31:37,337 INFO L134 PetriNetUnfolder]: 3/66 cut-off events. [2019-12-07 16:31:37,337 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 16:31:37,338 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs. 8/68 useless extension candidates. Maximal degree in co-relation 49. Up to 4 conditions per place. [2019-12-07 16:31:37,340 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 692 [2019-12-07 16:31:37,340 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 16:31:38,186 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-07 16:31:38,231 INFO L206 etLargeBlockEncoding]: Checked pairs total: 524 [2019-12-07 16:31:38,231 INFO L214 etLargeBlockEncoding]: Total number of compositions: 47 [2019-12-07 16:31:38,233 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 12 transitions [2019-12-07 16:31:38,240 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2019-12-07 16:31:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-07 16:31:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 16:31:38,245 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:38,246 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 16:31:38,246 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-07 16:31:38,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:38,250 INFO L82 PathProgramCache]: Analyzing trace with hash 219913, now seen corresponding path program 1 times [2019-12-07 16:31:38,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:31:38,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453342136] [2019-12-07 16:31:38,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:38,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453342136] [2019-12-07 16:31:38,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:38,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 16:31:38,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118584613] [2019-12-07 16:31:38,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:31:38,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:31:38,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:31:38,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:38,399 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2019-12-07 16:31:38,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:38,420 INFO L93 Difference]: Finished difference Result 40 states and 63 transitions. [2019-12-07 16:31:38,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:31:38,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 16:31:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:38,427 INFO L225 Difference]: With dead ends: 40 [2019-12-07 16:31:38,427 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 16:31:38,428 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:38,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 16:31:38,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2019-12-07 16:31:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 16:31:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2019-12-07 16:31:38,454 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2019-12-07 16:31:38,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:38,455 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2019-12-07 16:31:38,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:31:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2019-12-07 16:31:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 16:31:38,455 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:38,456 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:31:38,456 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-07 16:31:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:38,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1212750904, now seen corresponding path program 1 times [2019-12-07 16:31:38,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:31:38,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481695627] [2019-12-07 16:31:38,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:38,508 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 16:31:38,509 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:31:38,511 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [193] [193] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse1 (store |v_#valid_39| 0 0))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24| 1))) (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_11|) (= 0 |v_#NULL.base_4|) (= |v_ULTIMATE.start_main_#in~argv.offset_9| |v_ULTIMATE.start_#in~argv.offset_7|) (= |v_ULTIMATE.start_#in~argv.base_7| |v_ULTIMATE.start_main_#in~argv.base_9|) (= v_ULTIMATE.start_main_~argv.base_10 |v_ULTIMATE.start_main_#in~argv.base_9|) (< 0 |v_#StackHeapBarrier_11|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24| 1) |v_#valid_37|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24|) 0) (= |v_ULTIMATE.start_main_~#t1~0.offset_20| 0) (= |v_#NULL.offset_4| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24|) 0) (= |v_ULTIMATE.start_#in~argc_7| |v_ULTIMATE.start_main_#in~argc_9|) (= |v_#length_16| (store (store |v_#length_17| |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_24| 4)) (= v_~x~0_38 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_20| 0) (<= v_~n~0_33 2147483647) (= v_ULTIMATE.start_main_~argc_10 |v_ULTIMATE.start_main_#in~argc_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2~0.base_24|) (< 0 v_~n~0_33) (= |v_ULTIMATE.start_main_#in~argv.offset_9| v_ULTIMATE.start_main_~argv.offset_10)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_12|, #length=|v_#length_17|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|} OutVars{ULTIMATE.start_main_~argv.offset=v_ULTIMATE.start_main_~argv.offset_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_18|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_9|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_14|, ULTIMATE.start_main_~argv.base=v_ULTIMATE.start_main_~argv.base_10, ULTIMATE.start_main_~argc=v_ULTIMATE.start_main_~argc_10, #length=|v_#length_16|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_24|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|, ULTIMATE.start_main_#in~argv.base=|v_ULTIMATE.start_main_#in~argv.base_9|, ULTIMATE.start_main_#in~argv.offset=|v_ULTIMATE.start_main_#in~argv.offset_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_20|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_27, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_37|, ULTIMATE.start_main_#in~argc=|v_ULTIMATE.start_main_#in~argc_9|, #memory_int=|v_#memory_int_11|, ~n~0=v_~n~0_33, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_#in~argv.base, ULTIMATE.start_main_~argv.offset, ULTIMATE.start_main_#in~argv.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post5, #NULL.base, ULTIMATE.start_main_~argv.base, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#in~argc, #memory_int, ULTIMATE.start_main_~argc, #length, ~n~0, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset, ~x~0] because there is no mapped edge [2019-12-07 16:31:38,512 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [160] [160] L701-2-->L702-6: Formula: (= 0 v_ULTIMATE.start_main_~i~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~i~0] because there is no mapped edge [2019-12-07 16:31:38,512 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [164] [164] L702-6-->L703-1: Formula: (and (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_5|) (< v_ULTIMATE.start_main_~i~0_12 v_~n~0_12)) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[#memory_int] because there is no mapped edge [2019-12-07 16:31:38,512 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] thr2ENTRY-->thr2EXIT: Formula: (and (= v_~x~0_28 (+ v_thr2Thread1of1ForFork0_~t~0_13 1)) (= |v_thr2Thread1of1ForFork0_#res.offset_6| 0) (= 0 |v_thr2Thread1of1ForFork0_#res.base_6|) (= v_thr2Thread1of1ForFork0_~arg.base_3 |v_thr2Thread1of1ForFork0_#in~arg.base_5|) (= v_~x~0_29 v_thr2Thread1of1ForFork0_~t~0_13) (= |v_thr2Thread1of1ForFork0_#in~arg.offset_5| v_thr2Thread1of1ForFork0_~arg.offset_3)) InVars {thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_29} OutVars{thr2Thread1of1ForFork0_#res.base=|v_thr2Thread1of1ForFork0_#res.base_6|, thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_~t~0=v_thr2Thread1of1ForFork0_~t~0_13, thr2Thread1of1ForFork0_~arg.base=v_thr2Thread1of1ForFork0_~arg.base_3, thr2Thread1of1ForFork0_#res.offset=|v_thr2Thread1of1ForFork0_#res.offset_6|, thr2Thread1of1ForFork0_~arg.offset=v_thr2Thread1of1ForFork0_~arg.offset_3, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_28} AuxVars[] AssignedVars[thr2Thread1of1ForFork0_#res.base, thr2Thread1of1ForFork0_~t~0, thr2Thread1of1ForFork0_~arg.base, thr2Thread1of1ForFork0_#res.offset, thr2Thread1of1ForFork0_~arg.offset, ~x~0] because there is no mapped edge [2019-12-07 16:31:38,512 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [185] [185] thr1ENTRY-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16| (ite (< v_~x~0_26 v_~n~0_24) 1 0)) (= 0 v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16) (= v_thr1Thread1of1ForFork1_~arg.base_5 |v_thr1Thread1of1ForFork1_#in~arg.base_7|) (= |v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16| v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16) (= v_thr1Thread1of1ForFork1_~arg.offset_5 |v_thr1Thread1of1ForFork1_#in~arg.offset_7|)) InVars {thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26} OutVars{thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond=|v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16|, thr1Thread1of1ForFork1_~arg.base=v_thr1Thread1of1ForFork1_~arg.base_5, thr1Thread1of1ForFork1_~arg.offset=v_thr1Thread1of1ForFork1_~arg.offset_5, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26, thr1Thread1of1ForFork1___VERIFIER_assert_~cond=v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16} AuxVars[] AssignedVars[thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond, thr1Thread1of1ForFork1_~arg.base, thr1Thread1of1ForFork1_~arg.offset, thr1Thread1of1ForFork1___VERIFIER_assert_~cond] because there is no mapped edge [2019-12-07 16:31:38,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:31:38 BasicIcfg [2019-12-07 16:31:38,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:31:38,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:31:38,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:31:38,524 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:31:38,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:37" (3/4) ... [2019-12-07 16:31:38,526 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:31:38,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [193] [193] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse1 (store |v_#valid_39| 0 0))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24| 1))) (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_11|) (= 0 |v_#NULL.base_4|) (= |v_ULTIMATE.start_main_#in~argv.offset_9| |v_ULTIMATE.start_#in~argv.offset_7|) (= |v_ULTIMATE.start_#in~argv.base_7| |v_ULTIMATE.start_main_#in~argv.base_9|) (= v_ULTIMATE.start_main_~argv.base_10 |v_ULTIMATE.start_main_#in~argv.base_9|) (< 0 |v_#StackHeapBarrier_11|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24| 1) |v_#valid_37|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24|) 0) (= |v_ULTIMATE.start_main_~#t1~0.offset_20| 0) (= |v_#NULL.offset_4| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24|) 0) (= |v_ULTIMATE.start_#in~argc_7| |v_ULTIMATE.start_main_#in~argc_9|) (= |v_#length_16| (store (store |v_#length_17| |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_24| 4)) (= v_~x~0_38 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_20| 0) (<= v_~n~0_33 2147483647) (= v_ULTIMATE.start_main_~argc_10 |v_ULTIMATE.start_main_#in~argc_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2~0.base_24|) (< 0 v_~n~0_33) (= |v_ULTIMATE.start_main_#in~argv.offset_9| v_ULTIMATE.start_main_~argv.offset_10)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_12|, #length=|v_#length_17|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|} OutVars{ULTIMATE.start_main_~argv.offset=v_ULTIMATE.start_main_~argv.offset_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_18|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_9|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_14|, ULTIMATE.start_main_~argv.base=v_ULTIMATE.start_main_~argv.base_10, ULTIMATE.start_main_~argc=v_ULTIMATE.start_main_~argc_10, #length=|v_#length_16|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_24|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|, ULTIMATE.start_main_#in~argv.base=|v_ULTIMATE.start_main_#in~argv.base_9|, ULTIMATE.start_main_#in~argv.offset=|v_ULTIMATE.start_main_#in~argv.offset_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_20|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_27, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_37|, ULTIMATE.start_main_#in~argc=|v_ULTIMATE.start_main_#in~argc_9|, #memory_int=|v_#memory_int_11|, ~n~0=v_~n~0_33, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_#in~argv.base, ULTIMATE.start_main_~argv.offset, ULTIMATE.start_main_#in~argv.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post5, #NULL.base, ULTIMATE.start_main_~argv.base, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#in~argc, #memory_int, ULTIMATE.start_main_~argc, #length, ~n~0, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset, ~x~0] because there is no mapped edge [2019-12-07 16:31:38,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [160] [160] L701-2-->L702-6: Formula: (= 0 v_ULTIMATE.start_main_~i~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~i~0] because there is no mapped edge [2019-12-07 16:31:38,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [164] [164] L702-6-->L703-1: Formula: (and (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_5|) (< v_ULTIMATE.start_main_~i~0_12 v_~n~0_12)) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[#memory_int] because there is no mapped edge [2019-12-07 16:31:38,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] thr2ENTRY-->thr2EXIT: Formula: (and (= v_~x~0_28 (+ v_thr2Thread1of1ForFork0_~t~0_13 1)) (= |v_thr2Thread1of1ForFork0_#res.offset_6| 0) (= 0 |v_thr2Thread1of1ForFork0_#res.base_6|) (= v_thr2Thread1of1ForFork0_~arg.base_3 |v_thr2Thread1of1ForFork0_#in~arg.base_5|) (= v_~x~0_29 v_thr2Thread1of1ForFork0_~t~0_13) (= |v_thr2Thread1of1ForFork0_#in~arg.offset_5| v_thr2Thread1of1ForFork0_~arg.offset_3)) InVars {thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_29} OutVars{thr2Thread1of1ForFork0_#res.base=|v_thr2Thread1of1ForFork0_#res.base_6|, thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_~t~0=v_thr2Thread1of1ForFork0_~t~0_13, thr2Thread1of1ForFork0_~arg.base=v_thr2Thread1of1ForFork0_~arg.base_3, thr2Thread1of1ForFork0_#res.offset=|v_thr2Thread1of1ForFork0_#res.offset_6|, thr2Thread1of1ForFork0_~arg.offset=v_thr2Thread1of1ForFork0_~arg.offset_3, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_28} AuxVars[] AssignedVars[thr2Thread1of1ForFork0_#res.base, thr2Thread1of1ForFork0_~t~0, thr2Thread1of1ForFork0_~arg.base, thr2Thread1of1ForFork0_#res.offset, thr2Thread1of1ForFork0_~arg.offset, ~x~0] because there is no mapped edge [2019-12-07 16:31:38,527 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [185] [185] thr1ENTRY-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16| (ite (< v_~x~0_26 v_~n~0_24) 1 0)) (= 0 v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16) (= v_thr1Thread1of1ForFork1_~arg.base_5 |v_thr1Thread1of1ForFork1_#in~arg.base_7|) (= |v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16| v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16) (= v_thr1Thread1of1ForFork1_~arg.offset_5 |v_thr1Thread1of1ForFork1_#in~arg.offset_7|)) InVars {thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26} OutVars{thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond=|v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_16|, thr1Thread1of1ForFork1_~arg.base=v_thr1Thread1of1ForFork1_~arg.base_5, thr1Thread1of1ForFork1_~arg.offset=v_thr1Thread1of1ForFork1_~arg.offset_5, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26, thr1Thread1of1ForFork1___VERIFIER_assert_~cond=v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_16} AuxVars[] AssignedVars[thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond, thr1Thread1of1ForFork1_~arg.base, thr1Thread1of1ForFork1_~arg.offset, thr1Thread1of1ForFork1___VERIFIER_assert_~cond] because there is no mapped edge [2019-12-07 16:31:38,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bbde28be-c69a-4eeb-9fac-f0201e46cb03/bin/utaipan/witness.graphml [2019-12-07 16:31:38,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:31:38,553 INFO L168 Benchmark]: Toolchain (without parser) took 1928.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:38,554 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:38,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:38,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:38,555 INFO L168 Benchmark]: Boogie Preprocessor took 17.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:38,555 INFO L168 Benchmark]: RCFGBuilder took 208.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:38,556 INFO L168 Benchmark]: TraceAbstraction took 1309.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:38,556 INFO L168 Benchmark]: Witness Printer took 28.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:38,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 208.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1309.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -36.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 28.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 60 ProgramPointsBefore, 15 ProgramPointsAfterwards, 56 TransitionsBefore, 12 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 351 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 4 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 524 CheckedPairsTotal, 47 TotalNumberOfCompositions - CounterExampleResult [Line: 676]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L701] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [n=1, x=0] [L703] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [arg={0:0}, n=1, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 54 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...