./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-array-sum.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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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 eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc ............................................................................................................................................ 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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 eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:25:01,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:25:01,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:25:01,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:25:01,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:25:01,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:25:01,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:25:01,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:25:01,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:25:01,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:25:01,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:25:01,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:25:01,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:25:01,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:25:01,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:25:01,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:25:01,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:25:01,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:25:01,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:25:01,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:25:01,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:25:01,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:25:01,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:25:01,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:25:01,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:25:01,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:25:01,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:25:01,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:25:01,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:25:01,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:25:01,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:25:01,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:25:01,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:25:01,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:25:01,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:25:01,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:25:01,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:25:01,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:25:01,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:25:01,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:25:01,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:25:01,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:25:01,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:25:01,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:25:01,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:25:01,621 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:25:01,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:25:01,622 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:25:01,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:25:01,623 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:25:01,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:25:01,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:25:01,624 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:25:01,624 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:25:01,625 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:25:01,625 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:25:01,626 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:25:01,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:25:01,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:25:01,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:25:01,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:25:01,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:25:01,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:25:01,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:25:01,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:25:01,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:25:01,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:25:01,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:25:01,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:25:01,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:25:01,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:25:01,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:25:01,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:25:01,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:25:01,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:25:01,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:25:01,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:25:01,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:25:01,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:25:01,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:25:01,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:25:01,642 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc [2021-10-29 05:25:01,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:25:01,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:25:01,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:25:01,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:25:01,965 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:25:01,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2021-10-29 05:25:02,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/2748e2a74/96a16b9e4a0342218d05db48c5a758fe/FLAGbb9dcc56f [2021-10-29 05:25:02,654 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:25:02,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2021-10-29 05:25:02,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/2748e2a74/96a16b9e4a0342218d05db48c5a758fe/FLAGbb9dcc56f [2021-10-29 05:25:03,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/2748e2a74/96a16b9e4a0342218d05db48c5a758fe [2021-10-29 05:25:03,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:25:03,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:25:03,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:25:03,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:25:03,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:25:03,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:25:03" (1/1) ... [2021-10-29 05:25:03,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac8c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:03, skipping insertion in model container [2021-10-29 05:25:03,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:25:03" (1/1) ... [2021-10-29 05:25:03,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:25:03,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:25:03,378 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2021-10-29 05:25:03,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:25:03,416 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 05:25:03,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10d4567b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:03, skipping insertion in model container [2021-10-29 05:25:03,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:25:03,418 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:25:03,421 INFO L168 Benchmark]: Toolchain (without parser) took 385.75 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 84.6 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:03,423 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:25:03,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.56 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 84.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:03,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.56 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 84.6 MB in the end (delta: -9.0 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: 112]: 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 05:25:06,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:25:06,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:25:06,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:25:06,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:25:06,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:25:06,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:25:06,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:25:06,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:25:06,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:25:06,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:25:06,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:25:06,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:25:06,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:25:06,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:25:06,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:25:06,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:25:06,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:25:06,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:25:06,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:25:06,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:25:06,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:25:06,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:25:06,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:25:06,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:25:06,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:25:06,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:25:06,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:25:06,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:25:06,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:25:06,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:25:06,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:25:06,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:25:06,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:25:06,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:25:06,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:25:06,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:25:06,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:25:06,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:25:06,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:25:06,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:25:06,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:25:06,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:25:06,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:25:06,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:25:06,438 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:25:06,438 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:25:06,439 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:25:06,439 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:25:06,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:25:06,440 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:25:06,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:25:06,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:25:06,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:25:06,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:25:06,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:25:06,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:25:06,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:25:06,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:25:06,446 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:25:06,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:25:06,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:25:06,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:25:06,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:25:06,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:25:06,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:25:06,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:25:06,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:25:06,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:25:06,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:25:06,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:25:06,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:25:06,450 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:25:06,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:25:06,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:25:06,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:25:06,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:25:06,453 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc [2021-10-29 05:25:06,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:25:06,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:25:06,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:25:06,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:25:06,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:25:06,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2021-10-29 05:25:07,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/0c66c3347/3c49761798e841ba8d86b284fc1b1365/FLAGffb5b8b5c [2021-10-29 05:25:07,751 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:25:07,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c [2021-10-29 05:25:07,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/0c66c3347/3c49761798e841ba8d86b284fc1b1365/FLAGffb5b8b5c [2021-10-29 05:25:08,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/data/0c66c3347/3c49761798e841ba8d86b284fc1b1365 [2021-10-29 05:25:08,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:25:08,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:25:08,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:25:08,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:25:08,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:25:08,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104f029c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08, skipping insertion in model container [2021-10-29 05:25:08,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:25:08,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:25:08,510 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2021-10-29 05:25:08,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:25:08,558 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:25:08,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:25:08,623 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2021-10-29 05:25:08,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:25:08,657 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:25:08,691 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_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/sv-benchmarks/c/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2021-10-29 05:25:08,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:25:08,715 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:25:08,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08 WrapperNode [2021-10-29 05:25:08,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:25:08,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:25:08,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:25:08,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:25:08,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:25:08,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:25:08,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:25:08,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:25:08,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:25:08,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:25:08,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:25:08,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:25:08,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (1/1) ... [2021-10-29 05:25:08,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:25:08,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:25:08,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:25:08,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:25:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:25:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:25:08,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:25:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 05:25:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 05:25:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 05:25:08,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 05:25:08,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 05:25:08,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 05:25:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:25:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:25:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:25:08,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:25:08,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:25:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:25:08,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:25:08,971 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 05:25:09,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:25:09,910 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-10-29 05:25:09,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:25:09 BoogieIcfgContainer [2021-10-29 05:25:09,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:25:09,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:25:09,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:25:09,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:25:09,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:25:08" (1/3) ... [2021-10-29 05:25:09,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df3e49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:25:09, skipping insertion in model container [2021-10-29 05:25:09,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:25:08" (2/3) ... [2021-10-29 05:25:09,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df3e49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:25:09, skipping insertion in model container [2021-10-29 05:25:09,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:25:09" (3/3) ... [2021-10-29 05:25:09,924 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2021-10-29 05:25:09,931 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:25:09,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:25:09,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:25:09,931 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:25:10,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,016 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,016 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,020 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,020 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,020 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,022 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,024 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,025 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,025 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,029 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,029 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,030 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,033 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,034 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,034 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,035 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,037 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,038 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,038 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,040 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,040 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,040 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,040 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,041 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,044 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,045 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,048 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,051 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,066 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,071 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:25:10,086 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-29 05:25:10,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:25:10,186 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 05:25:10,186 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:25:10,209 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:25:10,222 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 167 transitions, 358 flow [2021-10-29 05:25:10,226 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 167 transitions, 358 flow [2021-10-29 05:25:10,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 167 transitions, 358 flow [2021-10-29 05:25:10,327 INFO L129 PetriNetUnfolder]: 16/164 cut-off events. [2021-10-29 05:25:10,327 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-29 05:25:10,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 164 events. 16/164 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 126. Up to 3 conditions per place. [2021-10-29 05:25:10,340 INFO L116 LiptonReduction]: Number of co-enabled transitions 1720 [2021-10-29 05:25:31,513 INFO L131 LiptonReduction]: Checked pairs total: 2515 [2021-10-29 05:25:31,514 INFO L133 LiptonReduction]: Total number of compositions: 161 [2021-10-29 05:25:31,523 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 33 transitions, 90 flow [2021-10-29 05:25:31,555 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 172 states, 171 states have (on average 3.3567251461988303) internal successors, (574), 171 states have internal predecessors, (574), 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 05:25:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 171 states have (on average 3.3567251461988303) internal successors, (574), 171 states have internal predecessors, (574), 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 05:25:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 05:25:31,573 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:25:31,573 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:25:31,574 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:25:31,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:25:31,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1888298596, now seen corresponding path program 1 times [2021-10-29 05:25:31,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:25:31,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502712288] [2021-10-29 05:25:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:25:31,597 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:25:31,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:25:31,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:25:31,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:25:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:25:31,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 05:25:31,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:25:32,476 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 05:25:32,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:25:32,689 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 05:25:32,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:25:32,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502712288] [2021-10-29 05:25:32,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502712288] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:25:32,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:25:32,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-29 05:25:32,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381614314] [2021-10-29 05:25:32,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:25:32,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:25:32,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:25:32,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:25:32,719 INFO L87 Difference]: Start difference. First operand has 172 states, 171 states have (on average 3.3567251461988303) internal successors, (574), 171 states have internal predecessors, (574), 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 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 05:25:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:25:32,902 INFO L93 Difference]: Finished difference Result 321 states and 1085 transitions. [2021-10-29 05:25:32,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:25:32,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 21 [2021-10-29 05:25:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:25:32,924 INFO L225 Difference]: With dead ends: 321 [2021-10-29 05:25:32,925 INFO L226 Difference]: Without dead ends: 302 [2021-10-29 05:25:32,926 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 05:25:32,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-10-29 05:25:33,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 268. [2021-10-29 05:25:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 3.4307116104868913) internal successors, (916), 267 states have internal predecessors, (916), 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 05:25:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 916 transitions. [2021-10-29 05:25:33,014 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 916 transitions. Word has length 21 [2021-10-29 05:25:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:25:33,015 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 916 transitions. [2021-10-29 05:25:33,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 05:25:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 916 transitions. [2021-10-29 05:25:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:25:33,022 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:25:33,022 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:25:33,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:25:33,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:25:33,241 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:25:33,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:25:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash 12539017, now seen corresponding path program 1 times [2021-10-29 05:25:33,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:25:33,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563184987] [2021-10-29 05:25:33,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:25:33,243 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:25:33,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:25:33,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:25:33,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:25:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:25:33,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:25:33,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:25:33,604 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 05:25:33,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:25:33,721 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 05:25:33,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:25:33,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563184987] [2021-10-29 05:25:33,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563184987] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:25:33,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:25:33,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:25:33,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660135013] [2021-10-29 05:25:33,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:25:33,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:25:33,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:25:33,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:33,727 INFO L87 Difference]: Start difference. First operand 268 states and 916 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 05:25:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:25:33,927 INFO L93 Difference]: Finished difference Result 222 states and 718 transitions. [2021-10-29 05:25:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:25:33,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 22 [2021-10-29 05:25:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:25:33,933 INFO L225 Difference]: With dead ends: 222 [2021-10-29 05:25:33,933 INFO L226 Difference]: Without dead ends: 206 [2021-10-29 05:25:33,934 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-29 05:25:33,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2021-10-29 05:25:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 3.268292682926829) internal successors, (670), 205 states have internal predecessors, (670), 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 05:25:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 670 transitions. [2021-10-29 05:25:33,958 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 670 transitions. Word has length 22 [2021-10-29 05:25:33,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:25:33,958 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 670 transitions. [2021-10-29 05:25:33,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 05:25:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 670 transitions. [2021-10-29 05:25:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 05:25:33,962 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:25:33,963 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:25:33,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:25:34,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:25:34,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:25:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:25:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1484814396, now seen corresponding path program 1 times [2021-10-29 05:25:34,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:25:34,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007724509] [2021-10-29 05:25:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:25:34,182 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:25:34,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:25:34,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:25:34,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:25:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:25:34,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:25:34,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:25:34,499 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 05:25:34,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:25:34,625 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 05:25:34,625 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:25:34,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007724509] [2021-10-29 05:25:34,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007724509] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:25:34,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:25:34,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:25:34,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538272251] [2021-10-29 05:25:34,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:25:34,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:25:34,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:25:34,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:34,632 INFO L87 Difference]: Start difference. First operand 206 states and 670 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 05:25:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:25:34,736 INFO L93 Difference]: Finished difference Result 332 states and 1024 transitions. [2021-10-29 05:25:34,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:25:34,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 23 [2021-10-29 05:25:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:25:34,741 INFO L225 Difference]: With dead ends: 332 [2021-10-29 05:25:34,741 INFO L226 Difference]: Without dead ends: 296 [2021-10-29 05:25:34,741 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-29 05:25:34,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 252. [2021-10-29 05:25:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 3.2111553784860556) internal successors, (806), 251 states have internal predecessors, (806), 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 05:25:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 806 transitions. [2021-10-29 05:25:34,764 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 806 transitions. Word has length 23 [2021-10-29 05:25:34,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:25:34,765 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 806 transitions. [2021-10-29 05:25:34,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 05:25:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 806 transitions. [2021-10-29 05:25:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:25:34,769 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:25:34,770 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:25:34,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:25:34,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:25:34,985 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-29 05:25:34,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:25:34,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1265088166, now seen corresponding path program 1 times [2021-10-29 05:25:34,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:25:34,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881159060] [2021-10-29 05:25:34,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:25:34,987 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:25:34,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:25:34,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:25:34,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:25:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:25:35,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:25:35,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:25:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:25:35,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:25:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:25:35,526 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:25:35,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881159060] [2021-10-29 05:25:35,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881159060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:25:35,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:25:35,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:25:35,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977947432] [2021-10-29 05:25:35,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:25:35,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:25:35,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:25:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:35,529 INFO L87 Difference]: Start difference. First operand 252 states and 806 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 05:25:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:25:35,600 INFO L93 Difference]: Finished difference Result 54 states and 126 transitions. [2021-10-29 05:25:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:25:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 25 [2021-10-29 05:25:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:25:35,602 INFO L225 Difference]: With dead ends: 54 [2021-10-29 05:25:35,602 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:25:35,602 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:25:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:25:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:25:35,603 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 05:25:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:25:35,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-29 05:25:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:25:35,603 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:25:35,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 05:25:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:25:35,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:25:35,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:25:35,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:25:35,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:25:35,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 05:25:35,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:25:35,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:25:35,810 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 05:25:35,811 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:25:35,811 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:25:35,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:25:35 BasicIcfg [2021-10-29 05:25:35,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:25:35,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:25:35,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:25:35,814 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:25:35,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:25:09" (3/4) ... [2021-10-29 05:25:35,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:25:35,823 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 05:25:35,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 05:25:35,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 05:25:35,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-29 05:25:35,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:25:35,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:25:35,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:25:35,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:25:35,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:25:35,882 INFO L168 Benchmark]: Toolchain (without parser) took 27745.17 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 29.1 MB in the beginning and 26.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,883 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:25:35,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.00 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.9 MB in the beginning and 54.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 52.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,884 INFO L168 Benchmark]: Boogie Preprocessor took 47.88 ms. Allocated memory is still 73.4 MB. Free memory was 52.3 MB in the beginning and 50.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,884 INFO L168 Benchmark]: RCFGBuilder took 1076.80 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: -25.7 kB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,885 INFO L168 Benchmark]: TraceAbstraction took 25897.65 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 50.2 MB in the beginning and 30.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,885 INFO L168 Benchmark]: Witness Printer took 66.75 ms. Allocated memory is still 92.3 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:35,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.00 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.9 MB in the beginning and 54.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 52.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.88 ms. Allocated memory is still 73.4 MB. Free memory was 52.3 MB in the beginning and 50.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1076.80 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: -25.7 kB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25897.65 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 50.2 MB in the beginning and 30.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 66.75 ms. Allocated memory is still 92.3 MB. Free memory was 30.1 MB in the beginning and 26.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.2s, 161 PlacesBefore, 37 PlacesAfterwards, 167 TransitionsBefore, 33 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 7 FixpointIterations, 94 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 6 ConcurrentYvCompositions, 10 ChoiceCompositions, 161 TotalNumberOfCompositions, 2515 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2188, positive: 2111, positive conditional: 0, positive unconditional: 2111, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1200, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1200, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1338, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1338, negative conditional: 0, negative unconditional: 1338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2188, positive: 931, positive conditional: 0, positive unconditional: 931, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 1200, unknown conditional: 0, unknown unconditional: 1200] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - 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: 103]: 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 7 procedures, 187 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 105 SDslu, 168 SDs, 0 SdLazy, 95 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 78 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 803 SizeOfPredicates, 18 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 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 05:25:35,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c7730a-c77e-4321-ad8b-ffff08b9ce9e/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...