./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:14:02,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:14:02,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:14:02,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:14:02,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:14:02,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:14:02,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:14:02,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:14:02,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:14:02,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:14:02,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:14:03,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:14:03,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:14:03,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:14:03,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:14:03,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:14:03,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:14:03,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:14:03,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:14:03,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:14:03,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:14:03,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:14:03,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:14:03,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:14:03,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:14:03,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:14:03,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:14:03,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:14:03,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:14:03,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:14:03,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:14:03,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:14:03,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:14:03,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:14:03,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:14:03,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:14:03,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:14:03,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:14:03,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:14:03,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:14:03,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:14:03,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:14:03,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:14:03,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:14:03,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:14:03,106 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:14:03,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:14:03,107 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:14:03,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:14:03,107 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:14:03,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:14:03,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:14:03,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:14:03,109 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:14:03,110 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:14:03,110 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:14:03,110 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:14:03,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:14:03,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:14:03,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:14:03,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:14:03,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:14:03,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:14:03,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:14:03,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:14:03,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:14:03,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:14:03,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:14:03,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:14:03,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:14:03,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:14:03,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:14:03,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:14:03,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:14:03,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:14:03,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:14:03,117 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:14:03,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:14:03,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:14:03,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:14:03,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:14:03,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 [2021-10-29 05:14:03,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:14:03,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:14:03,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:14:03,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:14:03,399 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:14:03,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2021-10-29 05:14:03,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/0467d2499/a7d8fcbfaaf04c6d8bedd801214fb9e5/FLAGdb1293a29 [2021-10-29 05:14:03,999 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:14:04,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2021-10-29 05:14:04,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/0467d2499/a7d8fcbfaaf04c6d8bedd801214fb9e5/FLAGdb1293a29 [2021-10-29 05:14:04,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/0467d2499/a7d8fcbfaaf04c6d8bedd801214fb9e5 [2021-10-29 05:14:04,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:14:04,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:14:04,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:14:04,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:14:04,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:14:04,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:14:04" (1/1) ... [2021-10-29 05:14:04,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af44cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:04, skipping insertion in model container [2021-10-29 05:14:04,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:14:04" (1/1) ... [2021-10-29 05:14:04,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:14:04,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:14:04,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-10-29 05:14:04,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:14:04,681 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:14:04,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5badd5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:04, skipping insertion in model container [2021-10-29 05:14:04,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:14:04,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:14:04,684 INFO L168 Benchmark]: Toolchain (without parser) took 315.70 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 79.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:04,685 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:14:04,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.50 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 79.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:04,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.50 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 79.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 97]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:14:06,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:14:06,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:14:07,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:14:07,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:14:07,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:14:07,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:14:07,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:14:07,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:14:07,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:14:07,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:14:07,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:14:07,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:14:07,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:14:07,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:14:07,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:14:07,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:14:07,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:14:07,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:14:07,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:14:07,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:14:07,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:14:07,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:14:07,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:14:07,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:14:07,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:14:07,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:14:07,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:14:07,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:14:07,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:14:07,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:14:07,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:14:07,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:14:07,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:14:07,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:14:07,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:14:07,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:14:07,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:14:07,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:14:07,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:14:07,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:14:07,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:14:07,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:14:07,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:14:07,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:14:07,164 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:14:07,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:14:07,165 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:14:07,165 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:14:07,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:14:07,165 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:14:07,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:14:07,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:14:07,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:14:07,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:14:07,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:14:07,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:14:07,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:14:07,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:14:07,170 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:14:07,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:14:07,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:14:07,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:14:07,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:14:07,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:14:07,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:14:07,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:14:07,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:14:07,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:14:07,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:14:07,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:14:07,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:14:07,174 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:14:07,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:14:07,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:14:07,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:14:07,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:14:07,176 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 [2021-10-29 05:14:07,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:14:07,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:14:07,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:14:07,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:14:07,609 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:14:07,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2021-10-29 05:14:07,682 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/cb4d504ca/84124693d0d04ad9b6ee3747d7de1400/FLAG9ffe31154 [2021-10-29 05:14:08,250 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:14:08,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2021-10-29 05:14:08,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/cb4d504ca/84124693d0d04ad9b6ee3747d7de1400/FLAG9ffe31154 [2021-10-29 05:14:08,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/data/cb4d504ca/84124693d0d04ad9b6ee3747d7de1400 [2021-10-29 05:14:08,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:14:08,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:14:08,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:14:08,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:14:08,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:14:08,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:08,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3afee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08, skipping insertion in model container [2021-10-29 05:14:08,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:08,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:14:08,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:14:08,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-10-29 05:14:08,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:14:08,850 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:14:08,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:14:08,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-10-29 05:14:08,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:14:08,932 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:14:08,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-10-29 05:14:08,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:14:08,985 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:14:08,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08 WrapperNode [2021-10-29 05:14:08,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:14:08,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:14:08,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:14:08,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:14:08,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:14:09,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:14:09,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:14:09,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:14:09,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:14:09,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:14:09,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:14:09,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:14:09,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (1/1) ... [2021-10-29 05:14:09,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:14:09,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:14:09,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:14:09,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:14:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:14:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:14:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:14:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:14:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:14:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:14:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:14:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:14:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:14:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:14:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:14:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:14:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:14:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:14:09,225 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:14:10,712 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:14:10,712 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-29 05:14:10,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:14:10 BoogieIcfgContainer [2021-10-29 05:14:10,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:14:10,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:14:10,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:14:10,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:14:10,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:14:08" (1/3) ... [2021-10-29 05:14:10,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516b3a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:14:10, skipping insertion in model container [2021-10-29 05:14:10,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:14:08" (2/3) ... [2021-10-29 05:14:10,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516b3a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:14:10, skipping insertion in model container [2021-10-29 05:14:10,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:14:10" (3/3) ... [2021-10-29 05:14:10,736 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2021-10-29 05:14:10,742 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:14:10,742 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:14:10,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:14:10,742 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:14:10,798 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,799 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,800 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,800 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,800 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,801 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,802 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,802 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,803 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,804 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,805 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,805 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,806 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,807 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,808 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,814 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,817 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,818 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,818 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,819 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,820 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,820 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,820 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,824 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,825 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,826 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,826 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,829 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,830 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,831 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,831 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,831 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,835 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,840 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,841 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:14:10,849 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-29 05:14:10,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:14:10,934 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:14:10,934 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:14:10,957 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:14:10,968 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 142 transitions, 300 flow [2021-10-29 05:14:10,972 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 142 transitions, 300 flow [2021-10-29 05:14:10,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 142 transitions, 300 flow [2021-10-29 05:14:11,071 INFO L129 PetriNetUnfolder]: 13/140 cut-off events. [2021-10-29 05:14:11,071 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-29 05:14:11,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 140 events. 13/140 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2021-10-29 05:14:11,080 INFO L116 LiptonReduction]: Number of co-enabled transitions 500 [2021-10-29 05:14:26,128 INFO L131 LiptonReduction]: Checked pairs total: 578 [2021-10-29 05:14:26,128 INFO L133 LiptonReduction]: Total number of compositions: 143 [2021-10-29 05:14:26,136 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 22 transitions, 60 flow [2021-10-29 05:14:26,150 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 36 states, 35 states have (on average 2.2) internal successors, (77), 35 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 35 states have (on average 2.2) internal successors, (77), 35 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 05:14:26,157 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:14:26,158 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:14:26,158 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 05:14:26,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:14:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash 748820412, now seen corresponding path program 1 times [2021-10-29 05:14:26,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:14:26,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173972205] [2021-10-29 05:14:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:14:26,177 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:14:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:14:26,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:14:26,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:14:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:14:26,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:14:26,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:14:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:14:26,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:14:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:14:26,593 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:14:26,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173972205] [2021-10-29 05:14:26,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173972205] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:14:26,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:14:26,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-29 05:14:26,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160691712] [2021-10-29 05:14:26,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:14:26,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:14:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:14:26,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:14:26,621 INFO L87 Difference]: Start difference. First operand has 36 states, 35 states have (on average 2.2) internal successors, (77), 35 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:26,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:14:26,664 INFO L93 Difference]: Finished difference Result 63 states and 138 transitions. [2021-10-29 05:14:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:14:26,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 05:14:26,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:14:26,675 INFO L225 Difference]: With dead ends: 63 [2021-10-29 05:14:26,675 INFO L226 Difference]: Without dead ends: 58 [2021-10-29 05:14:26,676 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:14:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-29 05:14:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-10-29 05:14:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 2.245614035087719) internal successors, (128), 57 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 128 transitions. [2021-10-29 05:14:26,712 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 128 transitions. Word has length 15 [2021-10-29 05:14:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:14:26,712 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 128 transitions. [2021-10-29 05:14:26,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 128 transitions. [2021-10-29 05:14:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:14:26,713 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:14:26,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:14:26,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:14:26,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:14:26,930 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 05:14:26,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:14:26,931 INFO L85 PathProgramCache]: Analyzing trace with hash -105476900, now seen corresponding path program 1 times [2021-10-29 05:14:26,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:14:26,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683009040] [2021-10-29 05:14:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:14:26,932 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:14:26,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:14:26,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:14:26,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:14:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:14:27,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:14:27,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:14:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:14:27,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:14:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:14:27,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:14:27,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683009040] [2021-10-29 05:14:27,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683009040] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:14:27,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:14:27,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:14:27,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532898551] [2021-10-29 05:14:27,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:14:27,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:14:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:14:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:14:27,351 INFO L87 Difference]: Start difference. First operand 58 states and 128 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:14:27,361 INFO L93 Difference]: Finished difference Result 30 states and 50 transitions. [2021-10-29 05:14:27,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:14:27,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:14:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:14:27,362 INFO L225 Difference]: With dead ends: 30 [2021-10-29 05:14:27,363 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:14:27,363 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:14:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:14:27,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:14:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:14:27,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-29 05:14:27,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:14:27,364 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:14:27,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:14:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:14:27,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:14:27,367 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:14:27,367 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:14:27,368 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:14:27,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:14:27,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:14:27,570 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 05:14:27,572 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:14:27,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:14:27,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:14:27 BasicIcfg [2021-10-29 05:14:27,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:14:27,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:14:27,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:14:27,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:14:27,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:14:10" (3/4) ... [2021-10-29 05:14:27,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:14:27,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:14:27,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:14:27,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 05:14:27,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:14:27,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:14:27,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:14:27,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:14:27,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:14:27,665 INFO L168 Benchmark]: Toolchain (without parser) took 19042.15 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 27.9 MB in the beginning and 49.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,665 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 20.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:14:27,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.36 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 43.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.14 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,667 INFO L168 Benchmark]: Boogie Preprocessor took 79.33 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 39.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,667 INFO L168 Benchmark]: RCFGBuilder took 1573.47 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 27.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,668 INFO L168 Benchmark]: TraceAbstraction took 16858.72 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 27.2 MB in the beginning and 53.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,668 INFO L168 Benchmark]: Witness Printer took 87.69 ms. Allocated memory is still 92.3 MB. Free memory was 52.6 MB in the beginning and 49.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:14:27,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 52.4 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 20.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.36 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 43.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.14 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.33 ms. Allocated memory is still 62.9 MB. Free memory was 41.3 MB in the beginning and 39.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1573.47 ms. Allocated memory is still 62.9 MB. Free memory was 39.5 MB in the beginning and 27.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16858.72 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 27.2 MB in the beginning and 53.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * Witness Printer took 87.69 ms. Allocated memory is still 92.3 MB. Free memory was 52.6 MB in the beginning and 49.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1s, 136 PlacesBefore, 25 PlacesAfterwards, 142 TransitionsBefore, 22 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 7 FixpointIterations, 95 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 4 ConcurrentYvCompositions, 9 ChoiceCompositions, 143 TotalNumberOfCompositions, 578 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 544, positive: 530, positive conditional: 0, positive unconditional: 530, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 342, positive: 338, positive conditional: 0, positive unconditional: 338, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 342, positive: 338, positive conditional: 0, positive unconditional: 338, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 544, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 342, unknown conditional: 0, unknown unconditional: 342] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 150 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 5 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:14:27,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ee08bb-12e8-4513-8d2e-49e31d10cfc5/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...