./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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 b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea ............................................................................................................................................ 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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 b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:56:00,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:56:00,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:56:00,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:56:00,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:56:00,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:56:00,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:56:00,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:56:00,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:56:00,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:56:00,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:56:00,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:56:00,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:56:00,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:56:00,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:56:00,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:56:00,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:56:00,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:56:00,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:56:00,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:56:00,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:56:00,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:56:00,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:56:00,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:56:00,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:56:00,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:56:00,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:56:00,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:56:00,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:56:00,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:56:00,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:56:00,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:56:00,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:56:00,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:56:00,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:56:00,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:56:00,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:56:00,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:56:00,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:56:00,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:56:00,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:56:00,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:56:00,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:56:00,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:56:00,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:56:00,809 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:56:00,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:56:00,810 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:56:00,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:56:00,810 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:56:00,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:56:00,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:56:00,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:56:00,818 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:56:00,818 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:56:00,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:56:00,818 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:56:00,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:56:00,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:56:00,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:56:00,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:56:00,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:56:00,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:56:00,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:56:00,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:56:00,821 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:56:00,821 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:56:00,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:56:00,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:56:00,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:56:00,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:56:00,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:56:00,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:56:00,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:56:00,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:56:00,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:56:00,825 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:56:00,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:56:00,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:56:00,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:56:00,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:56:00,826 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea [2021-10-29 05:56:01,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:56:01,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:56:01,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:56:01,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:56:01,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:56:01,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-10-29 05:56:01,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/209870a01/9ff7f9b92d45488dbbcd278893d94751/FLAG6ae88c687 [2021-10-29 05:56:01,843 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:56:01,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-10-29 05:56:01,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/209870a01/9ff7f9b92d45488dbbcd278893d94751/FLAG6ae88c687 [2021-10-29 05:56:02,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/209870a01/9ff7f9b92d45488dbbcd278893d94751 [2021-10-29 05:56:02,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:56:02,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:56:02,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:56:02,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:56:02,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:56:02,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:56:02" (1/1) ... [2021-10-29 05:56:02,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44980b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:02, skipping insertion in model container [2021-10-29 05:56:02,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:56:02" (1/1) ... [2021-10-29 05:56:02,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:56:02,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:56:02,433 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c[2141,2154] [2021-10-29 05:56:02,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:56:02,605 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 05:56:02,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c162c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:02, skipping insertion in model container [2021-10-29 05:56:02,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:56:02,609 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:56:02,612 INFO L168 Benchmark]: Toolchain (without parser) took 480.07 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 50.6 MB in the beginning and 109.2 MB in the end (delta: -58.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:02,614 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:56:02,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.47 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 50.4 MB in the beginning and 109.2 MB in the end (delta: -58.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:02,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.47 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 50.4 MB in the beginning and 109.2 MB in the end (delta: -58.9 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: 431]: 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 05:56:04,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:56:04,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:56:04,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:56:04,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:56:04,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:56:04,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:56:04,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:56:04,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:56:04,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:56:04,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:56:04,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:56:04,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:56:04,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:56:04,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:56:04,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:56:04,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:56:04,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:56:04,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:56:04,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:56:04,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:56:04,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:56:04,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:56:04,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:56:04,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:56:04,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:56:04,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:56:04,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:56:04,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:56:04,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:56:04,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:56:04,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:56:04,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:56:04,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:56:04,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:56:04,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:56:04,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:56:04,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:56:04,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:56:04,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:56:04,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:56:04,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:56:04,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:56:04,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:56:04,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:56:04,972 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:56:04,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:56:04,973 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:56:04,973 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:56:04,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:56:04,974 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:56:04,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:56:04,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:56:04,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:56:04,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:56:04,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:56:04,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:56:04,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:56:04,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:56:04,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:56:04,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:56:04,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:56:04,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:56:04,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:56:04,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:56:04,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:56:04,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:56:04,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:56:04,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:56:04,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:56:04,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:56:04,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:56:04,982 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:56:04,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:56:04,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:56:04,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:56:04,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:56:04,983 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea [2021-10-29 05:56:05,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:56:05,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:56:05,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:56:05,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:56:05,380 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:56:05,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-10-29 05:56:05,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/6472e98bc/1e32f7caca884adc803a30f14b7154a5/FLAGfd510bd1e [2021-10-29 05:56:06,108 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:56:06,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-10-29 05:56:06,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/6472e98bc/1e32f7caca884adc803a30f14b7154a5/FLAGfd510bd1e [2021-10-29 05:56:06,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/data/6472e98bc/1e32f7caca884adc803a30f14b7154a5 [2021-10-29 05:56:06,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:56:06,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:56:06,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:56:06,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:56:06,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:56:06,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:06,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caeaed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06, skipping insertion in model container [2021-10-29 05:56:06,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:06,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:56:06,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:56:06,577 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c[2141,2154] [2021-10-29 05:56:06,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:56:06,761 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:56:06,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:56:06,783 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c[2141,2154] [2021-10-29 05:56:06,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:56:06,872 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:56:06,887 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_56eea0c2-7fcd-4242-9b37-6287c30fb2da/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c[2141,2154] [2021-10-29 05:56:06,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:56:06,957 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:56:06,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06 WrapperNode [2021-10-29 05:56:06,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:56:06,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:56:06,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:56:06,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:56:06,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:06,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:56:07,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:56:07,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:56:07,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:56:07,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:56:07,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:56:07,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:56:07,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:56:07,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (1/1) ... [2021-10-29 05:56:07,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:56:07,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:56:07,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:56:07,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:56:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:56:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:56:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:56:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:56:09,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:56:09,567 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-29 05:56:09,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:56:09 BoogieIcfgContainer [2021-10-29 05:56:09,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:56:09,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:56:09,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:56:09,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:56:09,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:56:06" (1/3) ... [2021-10-29 05:56:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25817f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:56:09, skipping insertion in model container [2021-10-29 05:56:09,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:56:06" (2/3) ... [2021-10-29 05:56:09,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25817f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:56:09, skipping insertion in model container [2021-10-29 05:56:09,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:56:09" (3/3) ... [2021-10-29 05:56:09,578 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2021-10-29 05:56:09,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:56:09,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:56:09,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:56:09,657 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 05:56:09,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:56:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 05:56:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:56:09,679 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:56:09,679 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:56:09,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:56:09,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:56:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2021-10-29 05:56:09,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:56:09,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133356290] [2021-10-29 05:56:09,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:56:09,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:56:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:56:09,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:56:09,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:56:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:56:09,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:56:09,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:56:10,016 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 05:56:10,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:56:10,070 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 05:56:10,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:56:10,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133356290] [2021-10-29 05:56:10,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133356290] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:56:10,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:56:10,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:56:10,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821839374] [2021-10-29 05:56:10,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:56:10,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:56:10,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:56:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:56:10,094 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 05:56:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:56:10,117 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-29 05:56:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:56:10,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-29 05:56:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:56:10,128 INFO L225 Difference]: With dead ends: 144 [2021-10-29 05:56:10,128 INFO L226 Difference]: Without dead ends: 71 [2021-10-29 05:56:10,131 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:56:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-29 05:56:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-29 05:56:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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 05:56:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-29 05:56:10,169 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2021-10-29 05:56:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:56:10,169 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-29 05:56:10,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 05:56:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-29 05:56:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:56:10,171 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:56:10,171 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:56:10,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:56:10,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:56:10,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:56:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:56:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2021-10-29 05:56:10,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:56:10,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291212848] [2021-10-29 05:56:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:56:10,387 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:56:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:56:10,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:56:10,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:56:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:56:10,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:56:10,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:56:10,684 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 05:56:10,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:56:10,740 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 05:56:10,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:56:10,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291212848] [2021-10-29 05:56:10,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291212848] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:56:10,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:56:10,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:56:10,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921646529] [2021-10-29 05:56:10,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:56:10,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:56:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:56:10,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:56:10,744 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 05:56:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:56:10,762 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-29 05:56:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:56:10,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-29 05:56:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:56:10,763 INFO L225 Difference]: With dead ends: 71 [2021-10-29 05:56:10,763 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:56:10,764 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 05:56:10,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:56:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:56:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 05:56:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-29 05:56:10,769 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-29 05:56:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:56:10,770 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-29 05:56:10,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 05:56:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-29 05:56:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:56:10,771 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:56:10,771 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] [2021-10-29 05:56:10,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:56:10,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:56:10,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:56:10,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:56:10,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2021-10-29 05:56:10,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:56:10,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84452327] [2021-10-29 05:56:10,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:56:10,989 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:56:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:56:10,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:56:11,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:56:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:56:11,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:56:11,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:56:11,306 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 05:56:11,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:56:11,417 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 05:56:11,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:56:11,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84452327] [2021-10-29 05:56:11,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84452327] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:56:11,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:56:11,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:56:11,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264362601] [2021-10-29 05:56:11,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:56:11,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:56:11,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:56:11,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:56:11,421 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 05:56:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:56:11,438 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-29 05:56:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:56:11,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 24 [2021-10-29 05:56:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:56:11,440 INFO L225 Difference]: With dead ends: 60 [2021-10-29 05:56:11,440 INFO L226 Difference]: Without dead ends: 33 [2021-10-29 05:56:11,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 05:56:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-29 05:56:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-29 05:56:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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 05:56:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-29 05:56:11,459 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-29 05:56:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:56:11,460 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-29 05:56:11,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 05:56:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-29 05:56:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:56:11,461 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:56:11,461 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 05:56:11,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:56:11,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:56:11,674 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:56:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:56:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2021-10-29 05:56:11,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:56:11,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882612629] [2021-10-29 05:56:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:56:11,676 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:56:11,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:56:11,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:56:11,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:56:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:56:11,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:56:11,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:56:12,004 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 05:56:12,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:56:12,129 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 05:56:12,129 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:56:12,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882612629] [2021-10-29 05:56:12,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882612629] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:56:12,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:56:12,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:56:12,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47615636] [2021-10-29 05:56:12,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:56:12,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:56:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:56:12,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:56:12,132 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 05:56:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:56:12,442 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2021-10-29 05:56:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:56:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 05:56:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:56:12,449 INFO L225 Difference]: With dead ends: 308 [2021-10-29 05:56:12,450 INFO L226 Difference]: Without dead ends: 281 [2021-10-29 05:56:12,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:56:12,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-10-29 05:56:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2021-10-29 05:56:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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 05:56:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-10-29 05:56:12,486 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2021-10-29 05:56:12,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:56:12,486 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-10-29 05:56:12,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 05:56:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-10-29 05:56:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:56:12,490 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:56:12,490 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, 1] [2021-10-29 05:56:12,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:56:12,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:56:12,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:56:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:56:12,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2021-10-29 05:56:12,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:56:12,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350811103] [2021-10-29 05:56:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:56:12,715 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:56:12,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:56:12,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:56:12,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:56:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:56:13,731 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:56:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:56:14,687 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:56:14,688 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:56:14,689 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:56:14,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:56:14,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:56:14,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:56:14,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:56:14,903 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:56:14,907 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:56:15,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:56:15 BoogieIcfgContainer [2021-10-29 05:56:15,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:56:15,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:56:15,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:56:15,015 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:56:15,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:56:09" (3/4) ... [2021-10-29 05:56:15,017 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:56:15,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:56:15,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:56:15,109 INFO L168 Benchmark]: Toolchain (without parser) took 8736.64 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 40.3 MB in the beginning and 26.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,109 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:56:15,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.43 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 31.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.85 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 28.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,110 INFO L168 Benchmark]: Boogie Preprocessor took 78.00 ms. Allocated memory is still 60.8 MB. Free memory was 28.6 MB in the beginning and 26.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,111 INFO L168 Benchmark]: RCFGBuilder took 2448.74 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.3 MB in the beginning and 43.7 MB in the end (delta: -17.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,111 INFO L168 Benchmark]: TraceAbstraction took 5442.29 ms. Allocated memory is still 81.8 MB. Free memory was 43.2 MB in the beginning and 37.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,111 INFO L168 Benchmark]: Witness Printer took 93.19 ms. Allocated memory is still 81.8 MB. Free memory was 37.6 MB in the beginning and 26.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:56:15,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.43 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 31.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.85 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 28.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.00 ms. Allocated memory is still 60.8 MB. Free memory was 28.6 MB in the beginning and 26.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2448.74 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 26.3 MB in the beginning and 43.7 MB in the end (delta: -17.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5442.29 ms. Allocated memory is still 81.8 MB. Free memory was 43.2 MB in the beginning and 37.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Witness Printer took 93.19 ms. Allocated memory is still 81.8 MB. Free memory was 37.6 MB in the beginning and 26.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - CounterExampleResult [Line: 92]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] tmp = __VERIFIER_nondet_int() [L262] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L788] COND TRUE waterLevel < 2 [L789] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L120] COND TRUE \read(systemActive) [L142] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L863] tmp___0 = getWaterLevel() [L865] COND TRUE tmp___0 == 2 [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp___1 = isPumpRunning() [L869] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L92] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 92]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 421 SDslu, 546 SDs, 0 SdLazy, 94 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:56:15,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eea0c2-7fcd-4242-9b37-6287c30fb2da/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...