./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE --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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 ............................................................................................................................................ 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE --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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:24:59,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:24:59,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:24:59,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:24:59,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:24:59,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:24:59,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:24:59,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:24:59,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:24:59,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:24:59,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:24:59,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:24:59,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:24:59,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:24:59,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:24:59,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:24:59,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:24:59,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:24:59,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:24:59,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:24:59,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:24:59,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:24:59,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:24:59,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:24:59,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:24:59,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:24:59,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:24:59,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:24:59,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:24:59,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:24:59,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:24:59,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:24:59,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:24:59,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:24:59,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:24:59,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:24:59,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:24:59,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:24:59,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:24:59,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:24:59,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:24:59,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:24:59,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:24:59,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:24:59,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:24:59,774 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:24:59,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:24:59,775 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:24:59,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:24:59,776 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:24:59,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:24:59,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:24:59,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:24:59,778 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:24:59,779 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:24:59,779 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:24:59,780 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:24:59,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:24:59,781 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:24:59,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:24:59,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:24:59,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:24:59,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:24:59,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:24:59,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:24:59,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:24:59,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:24:59,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:24:59,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:24:59,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:24:59,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:24:59,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:24:59,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:24:59,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:24:59,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:24:59,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:24:59,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:24:59,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:24:59,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:24:59,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:24:59,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:24:59,790 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2021-10-24 10:25:00,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:25:00,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:25:00,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:25:00,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:25:00,095 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:25:00,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-10-24 10:25:00,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/c3cbb928a/07dfb2d4054f41228c4517548261d3d3/FLAG1399bbe10 [2021-10-24 10:25:00,878 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:25:00,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-10-24 10:25:00,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/c3cbb928a/07dfb2d4054f41228c4517548261d3d3/FLAG1399bbe10 [2021-10-24 10:25:01,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/c3cbb928a/07dfb2d4054f41228c4517548261d3d3 [2021-10-24 10:25:01,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:25:01,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:25:01,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:25:01,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:25:01,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:25:01,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:25:01" (1/1) ... [2021-10-24 10:25:01,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecd1d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:01, skipping insertion in model container [2021-10-24 10:25:01,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:25:01" (1/1) ... [2021-10-24 10:25:01,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:25:01,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:25:01,474 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-10-24 10:25:01,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:25:01,630 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) [2021-10-24 10:25:01,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3232ed74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:01, skipping insertion in model container [2021-10-24 10:25:01,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:25:01,632 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:25:01,634 INFO L168 Benchmark]: Toolchain (without parser) took 478.25 ms. Allocated memory is still 86.0 MB. Free memory was 52.5 MB in the beginning and 59.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:01,635 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:25:01,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.86 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 59.5 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:01,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 470.86 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 59.5 MB in the end (delta: -7.3 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: 183]: 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-e943c26 [2021-10-24 10:25:04,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:25:04,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:25:04,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:25:04,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:25:04,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:25:04,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:25:04,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:25:04,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:25:04,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:25:04,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:25:04,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:25:04,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:25:04,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:25:04,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:25:04,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:25:04,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:25:04,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:25:04,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:25:04,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:25:04,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:25:04,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:25:04,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:25:04,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:25:04,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:25:04,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:25:04,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:25:04,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:25:04,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:25:04,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:25:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:25:04,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:25:04,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:25:04,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:25:04,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:25:04,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:25:04,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:25:04,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:25:04,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:25:04,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:25:04,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:25:04,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:25:04,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:25:04,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:25:04,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:25:04,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:25:04,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:25:04,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:25:04,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:25:04,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:25:04,528 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:25:04,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:25:04,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:25:04,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:25:04,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:25:04,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:25:04,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:25:04,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:25:04,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:25:04,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:25:04,534 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:25:04,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:25:04,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:25:04,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:25:04,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:25:04,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:25:04,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:25:04,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:25:04,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:25:04,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:25:04,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:25:04,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:25:04,537 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:25:04,537 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:25:04,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:25:04,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:25:04,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:25:04,538 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2021-10-24 10:25:05,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:25:05,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:25:05,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:25:05,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:25:05,049 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:25:05,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-10-24 10:25:05,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/9c0bab6a3/ef021e59f6b940d5ac52eaf26a37b356/FLAG7c6917c12 [2021-10-24 10:25:05,881 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:25:05,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-10-24 10:25:05,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/9c0bab6a3/ef021e59f6b940d5ac52eaf26a37b356/FLAG7c6917c12 [2021-10-24 10:25:06,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/data/9c0bab6a3/ef021e59f6b940d5ac52eaf26a37b356 [2021-10-24 10:25:06,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:25:06,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:25:06,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:25:06,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:25:06,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:25:06,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:06,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf4178e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06, skipping insertion in model container [2021-10-24 10:25:06,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:06,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:25:06,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:25:06,482 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-10-24 10:25:06,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:25:06,687 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:25:06,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:25:06,729 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-10-24 10:25:06,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:25:06,846 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:25:06,868 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_b474470d-d3b1-45e9-8adc-e3286b0005e4/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-10-24 10:25:06,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:25:06,979 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:25:06,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06 WrapperNode [2021-10-24 10:25:06,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:25:06,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:25:06,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:25:06,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:25:06,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:25:07,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:25:07,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:25:07,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:25:07,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:25:07,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:25:07,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:25:07,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:25:07,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (1/1) ... [2021-10-24 10:25:07,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:25:07,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:25:07,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:25:07,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:25:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:25:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:25:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:25:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:25:10,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:25:10,081 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-24 10:25:10,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:25:10 BoogieIcfgContainer [2021-10-24 10:25:10,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:25:10,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:25:10,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:25:10,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:25:10,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:25:06" (1/3) ... [2021-10-24 10:25:10,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c43ab62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:25:10, skipping insertion in model container [2021-10-24 10:25:10,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:25:06" (2/3) ... [2021-10-24 10:25:10,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c43ab62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:25:10, skipping insertion in model container [2021-10-24 10:25:10,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:25:10" (3/3) ... [2021-10-24 10:25:10,093 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2021-10-24 10:25:10,100 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:25:10,100 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:25:10,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:25:10,167 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 [2021-10-24 10:25:10,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:25:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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) [2021-10-24 10:25:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:25:10,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:10,196 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:25:10,197 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:10,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:10,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-10-24 10:25:10,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:10,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973422769] [2021-10-24 10:25:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:10,223 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:10,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:10,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:25:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:10,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:25:10,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:10,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:10,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:10,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973422769] [2021-10-24 10:25:10,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973422769] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:10,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:10,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:25:10,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918848760] [2021-10-24 10:25:10,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:25:10,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:25:10,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:25:10,731 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:25:10,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:10,764 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-24 10:25:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:25:10,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:25:10,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:10,779 INFO L225 Difference]: With dead ends: 204 [2021-10-24 10:25:10,779 INFO L226 Difference]: Without dead ends: 101 [2021-10-24 10:25:10,783 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:25:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-24 10:25:10,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-24 10:25:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.469387755102041) internal successors, (144), 100 states have internal predecessors, (144), 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) [2021-10-24 10:25:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-24 10:25:10,841 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-24 10:25:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:10,842 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-24 10:25:10,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:25:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-24 10:25:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:25:10,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:10,844 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:25:10,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:11,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:11,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:11,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:11,065 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-10-24 10:25:11,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:11,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982390005] [2021-10-24 10:25:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:11,067 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:11,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:11,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:25:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:11,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:25:11,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:11,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:11,483 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:11,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982390005] [2021-10-24 10:25:11,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982390005] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:11,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:11,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:25:11,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131933105] [2021-10-24 10:25:11,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:25:11,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:25:11,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:25:11,494 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:25:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:11,532 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-24 10:25:11,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:25:11,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-24 10:25:11,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:11,536 INFO L225 Difference]: With dead ends: 101 [2021-10-24 10:25:11,536 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 10:25:11,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:25:11,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 10:25:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 10:25:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 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) [2021-10-24 10:25:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-24 10:25:11,561 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-24 10:25:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:11,562 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-24 10:25:11,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:25:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-24 10:25:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:25:11,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:11,566 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:25:11,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:11,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:11,780 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:11,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-10-24 10:25:11,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:11,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919111231] [2021-10-24 10:25:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:11,783 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:11,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:11,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:25:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:12,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:25:12,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:12,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:12,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:12,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919111231] [2021-10-24 10:25:12,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919111231] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:12,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:12,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:25:12,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186257261] [2021-10-24 10:25:12,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:25:12,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:25:12,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:25:12,299 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:25:12,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:12,333 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-24 10:25:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:25:12,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:25:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:12,335 INFO L225 Difference]: With dead ends: 80 [2021-10-24 10:25:12,338 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 10:25:12,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:25:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 10:25:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 10:25:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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) [2021-10-24 10:25:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-24 10:25:12,350 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-24 10:25:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:12,350 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-24 10:25:12,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:25:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-24 10:25:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:25:12,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:12,355 INFO L512 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] [2021-10-24 10:25:12,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:12,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:12,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:12,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:12,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-10-24 10:25:12,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:12,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549076480] [2021-10-24 10:25:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:12,574 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:12,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:12,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:25:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:12,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:25:12,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:13,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:13,193 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:13,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549076480] [2021-10-24 10:25:13,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549076480] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:13,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:13,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:25:13,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699579745] [2021-10-24 10:25:13,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:25:13,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:25:13,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:25:13,198 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-24 10:25:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:13,546 INFO L93 Difference]: Finished difference Result 330 states and 494 transitions. [2021-10-24 10:25:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:25:13,547 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) Word has length 24 [2021-10-24 10:25:13,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:13,550 INFO L225 Difference]: With dead ends: 330 [2021-10-24 10:25:13,550 INFO L226 Difference]: Without dead ends: 293 [2021-10-24 10:25:13,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 183.4ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:25:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-24 10:25:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 108. [2021-10-24 10:25:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.439252336448598) internal successors, (154), 107 states have internal predecessors, (154), 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) [2021-10-24 10:25:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-10-24 10:25:13,577 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-10-24 10:25:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:13,577 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-10-24 10:25:13,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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) [2021-10-24 10:25:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-10-24 10:25:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:25:13,580 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:13,580 INFO L512 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] [2021-10-24 10:25:13,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:13,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:13,803 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:13,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:13,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1240528407, now seen corresponding path program 1 times [2021-10-24 10:25:13,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:13,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841489509] [2021-10-24 10:25:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:13,805 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:13,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:13,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:25:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:14,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:25:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:14,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:14,228 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:14,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841489509] [2021-10-24 10:25:14,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841489509] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:14,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:14,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:25:14,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052381520] [2021-10-24 10:25:14,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:25:14,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:25:14,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:25:14,231 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-24 10:25:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:15,874 INFO L93 Difference]: Finished difference Result 262 states and 376 transitions. [2021-10-24 10:25:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:25:15,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 [2021-10-24 10:25:15,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:15,876 INFO L225 Difference]: With dead ends: 262 [2021-10-24 10:25:15,876 INFO L226 Difference]: Without dead ends: 160 [2021-10-24 10:25:15,877 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:25:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-24 10:25:15,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2021-10-24 10:25:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.394904458598726) internal successors, (219), 157 states have internal predecessors, (219), 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) [2021-10-24 10:25:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 219 transitions. [2021-10-24 10:25:15,898 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 219 transitions. Word has length 25 [2021-10-24 10:25:15,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:15,899 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 219 transitions. [2021-10-24 10:25:15,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-24 10:25:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2021-10-24 10:25:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:25:15,901 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:15,901 INFO L512 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, 1] [2021-10-24 10:25:15,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:16,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:16,117 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:16,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1153293110, now seen corresponding path program 1 times [2021-10-24 10:25:16,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:16,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904757436] [2021-10-24 10:25:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:16,118 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:16,120 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:16,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:25:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:16,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:25:16,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:16,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:16,578 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:16,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904757436] [2021-10-24 10:25:16,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904757436] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:16,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:25:16,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:25:16,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715464327] [2021-10-24 10:25:16,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:25:16,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:16,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:25:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:25:16,581 INFO L87 Difference]: Start difference. First operand 158 states and 219 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 10:25:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:16,597 INFO L93 Difference]: Finished difference Result 215 states and 302 transitions. [2021-10-24 10:25:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:25:16,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-24 10:25:16,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:16,599 INFO L225 Difference]: With dead ends: 215 [2021-10-24 10:25:16,599 INFO L226 Difference]: Without dead ends: 63 [2021-10-24 10:25:16,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:25:16,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-24 10:25:16,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-24 10:25:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 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) [2021-10-24 10:25:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-10-24 10:25:16,608 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 27 [2021-10-24 10:25:16,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:16,608 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-10-24 10:25:16,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 10:25:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-10-24 10:25:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-24 10:25:16,610 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:25:16,611 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:25:16,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:16,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:25:16,829 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:25:16,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:25:16,830 INFO L82 PathProgramCache]: Analyzing trace with hash 638504924, now seen corresponding path program 1 times [2021-10-24 10:25:16,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:25:16,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115710453] [2021-10-24 10:25:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:16,831 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:25:16,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:25:16,832 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:25:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:25:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:17,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:25:17,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:17,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:25:17,517 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:25:17,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115710453] [2021-10-24 10:25:17,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115710453] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:25:17,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1925235797] [2021-10-24 10:25:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:25:17,518 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:25:17,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:25:17,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:25:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 10:25:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:25:17,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:25:17,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:25:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:25:18,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:25:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 10:25:18,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1925235797] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:25:18,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:25:18,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:25:18,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890459273] [2021-10-24 10:25:18,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:25:18,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:25:18,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:25:18,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:25:18,137 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-24 10:25:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:25:18,263 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-10-24 10:25:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:25:18,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 41 [2021-10-24 10:25:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:25:18,267 INFO L225 Difference]: With dead ends: 125 [2021-10-24 10:25:18,267 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:25:18,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 91.1ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:25:18,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:25:18,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:25:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:25:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:25:18,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-24 10:25:18,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:25:18,270 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:25:18,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-24 10:25:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:25:18,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:25:18,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:25:18,279 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:25:18,279 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:25:18,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:25:18,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-10-24 10:25:18,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:25:18,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:25:18,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:18,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:25:19,158 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,159 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 713) no Hoare annotation was computed. [2021-10-24 10:25:19,159 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 713) no Hoare annotation was computed. [2021-10-24 10:25:19,159 INFO L857 garLoopResultBuilder]: For program point L696-2(lines 696 713) no Hoare annotation was computed. [2021-10-24 10:25:19,159 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 943) no Hoare annotation was computed. [2021-10-24 10:25:19,159 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 1 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,159 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 943) no Hoare annotation was computed. [2021-10-24 10:25:19,160 INFO L853 garLoopResultBuilder]: At program point L930-3(lines 1 946) the Hoare annotation is: false [2021-10-24 10:25:19,160 INFO L857 garLoopResultBuilder]: For program point L930-4(lines 930 943) no Hoare annotation was computed. [2021-10-24 10:25:19,160 INFO L853 garLoopResultBuilder]: At program point L930-5(lines 1 946) the Hoare annotation is: false [2021-10-24 10:25:19,160 INFO L857 garLoopResultBuilder]: For program point L534(lines 533 578) no Hoare annotation was computed. [2021-10-24 10:25:19,160 INFO L853 garLoopResultBuilder]: At program point L766(lines 761 769) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,160 INFO L853 garLoopResultBuilder]: At program point L766-1(lines 761 769) the Hoare annotation is: false [2021-10-24 10:25:19,160 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 708) no Hoare annotation was computed. [2021-10-24 10:25:19,160 INFO L853 garLoopResultBuilder]: At program point L766-2(lines 761 769) the Hoare annotation is: false [2021-10-24 10:25:19,161 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 708) no Hoare annotation was computed. [2021-10-24 10:25:19,161 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 708) no Hoare annotation was computed. [2021-10-24 10:25:19,161 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-24 10:25:19,161 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2021-10-24 10:25:19,161 INFO L857 garLoopResultBuilder]: For program point L569-2(lines 638 644) no Hoare annotation was computed. [2021-10-24 10:25:19,161 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,161 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,162 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:25:19,162 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,162 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,162 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,162 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-10-24 10:25:19,162 INFO L857 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2021-10-24 10:25:19,162 INFO L857 garLoopResultBuilder]: For program point L934-2(lines 934 940) no Hoare annotation was computed. [2021-10-24 10:25:19,162 INFO L857 garLoopResultBuilder]: For program point L934-4(lines 934 940) no Hoare annotation was computed. [2021-10-24 10:25:19,163 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,163 INFO L857 garLoopResultBuilder]: For program point L670-1(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,163 INFO L857 garLoopResultBuilder]: For program point L670-2(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,163 INFO L857 garLoopResultBuilder]: For program point L670-3(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,166 INFO L857 garLoopResultBuilder]: For program point L670-4(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,167 INFO L857 garLoopResultBuilder]: For program point L670-5(lines 670 687) no Hoare annotation was computed. [2021-10-24 10:25:19,167 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,168 INFO L853 garLoopResultBuilder]: At program point L638(lines 637 656) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,169 INFO L857 garLoopResultBuilder]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2021-10-24 10:25:19,169 INFO L853 garLoopResultBuilder]: At program point L638-2(lines 637 656) the Hoare annotation is: false [2021-10-24 10:25:19,170 INFO L853 garLoopResultBuilder]: At program point L638-3(lines 637 656) the Hoare annotation is: false [2021-10-24 10:25:19,170 INFO L853 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: false [2021-10-24 10:25:19,170 INFO L857 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2021-10-24 10:25:19,171 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,171 INFO L857 garLoopResultBuilder]: For program point L674-1(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,173 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,173 INFO L857 garLoopResultBuilder]: For program point L674-3(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,173 INFO L857 garLoopResultBuilder]: For program point L674-4(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,173 INFO L857 garLoopResultBuilder]: For program point L674-5(lines 674 682) no Hoare annotation was computed. [2021-10-24 10:25:19,173 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-10-24 10:25:19,174 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,174 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-10-24 10:25:19,174 INFO L857 garLoopResultBuilder]: For program point L841-1(lines 638 644) no Hoare annotation was computed. [2021-10-24 10:25:19,174 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 915) no Hoare annotation was computed. [2021-10-24 10:25:19,174 INFO L860 garLoopResultBuilder]: At program point L908-1(lines 908 915) the Hoare annotation is: true [2021-10-24 10:25:19,175 INFO L853 garLoopResultBuilder]: At program point L645(lines 645 651) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,175 INFO L853 garLoopResultBuilder]: At program point L645-1(lines 645 651) the Hoare annotation is: false [2021-10-24 10:25:19,175 INFO L853 garLoopResultBuilder]: At program point L579(lines 532 580) the Hoare annotation is: false [2021-10-24 10:25:19,175 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 645 651) the Hoare annotation is: false [2021-10-24 10:25:19,176 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,176 INFO L857 garLoopResultBuilder]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,176 INFO L857 garLoopResultBuilder]: For program point L150-2(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,176 INFO L853 garLoopResultBuilder]: At program point L613(lines 1 946) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,176 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:25:19,177 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:25:19,177 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,177 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,177 INFO L857 garLoopResultBuilder]: For program point L815-3(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,177 INFO L857 garLoopResultBuilder]: For program point L815-5(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,178 INFO L857 garLoopResultBuilder]: For program point L815-6(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,178 INFO L857 garLoopResultBuilder]: For program point L815-8(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,178 INFO L857 garLoopResultBuilder]: For program point L815-9(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,178 INFO L857 garLoopResultBuilder]: For program point L815-11(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,178 INFO L857 garLoopResultBuilder]: For program point L815-12(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,179 INFO L857 garLoopResultBuilder]: For program point L815-14(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,179 INFO L857 garLoopResultBuilder]: For program point L815-15(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,180 INFO L857 garLoopResultBuilder]: For program point L815-17(lines 815 819) no Hoare annotation was computed. [2021-10-24 10:25:19,181 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-24 10:25:19,181 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,181 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:25:19,181 INFO L860 garLoopResultBuilder]: At program point L917(lines 898 920) the Hoare annotation is: true [2021-10-24 10:25:19,182 INFO L853 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,182 INFO L853 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,182 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:25:19,182 INFO L853 garLoopResultBuilder]: At program point L821(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,183 INFO L853 garLoopResultBuilder]: At program point L821-1(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,183 INFO L853 garLoopResultBuilder]: At program point L821-2(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,183 INFO L853 garLoopResultBuilder]: At program point L821-3(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,183 INFO L853 garLoopResultBuilder]: At program point L821-4(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,183 INFO L853 garLoopResultBuilder]: At program point L821-5(lines 806 824) the Hoare annotation is: false [2021-10-24 10:25:19,184 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:25:19,184 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:25:19,184 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:25:19,185 INFO L853 garLoopResultBuilder]: At program point L757(lines 750 760) the Hoare annotation is: false [2021-10-24 10:25:19,185 INFO L853 garLoopResultBuilder]: At program point L757-1(lines 750 760) the Hoare annotation is: false [2021-10-24 10:25:19,185 INFO L853 garLoopResultBuilder]: At program point L757-2(lines 750 760) the Hoare annotation is: false [2021-10-24 10:25:19,185 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:25:19,185 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-24 10:25:19,186 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:25:19,186 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-24 10:25:19,187 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-24 10:25:19,187 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: false [2021-10-24 10:25:19,187 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:25:19,187 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:25:19,187 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 574) no Hoare annotation was computed. [2021-10-24 10:25:19,197 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:25:19,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:25:19 BoogieIcfgContainer [2021-10-24 10:25:19,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:25:19,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:25:19,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:25:19,232 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:25:19,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:25:10" (3/4) ... [2021-10-24 10:25:19,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:25:19,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:25:19,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:25:19,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:25:19,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:25:19,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:25:19,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:25:19,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:25:19,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:25:19,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:25:19,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:25:19,422 INFO L168 Benchmark]: Toolchain (without parser) took 13291.08 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 49.1 MB in the beginning and 38.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,423 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:25:19,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.30 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 37.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.93 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 34.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,425 INFO L168 Benchmark]: Boogie Preprocessor took 84.17 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.1 MB in the beginning and 65.3 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,426 INFO L168 Benchmark]: RCFGBuilder took 2923.51 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 60.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,426 INFO L168 Benchmark]: TraceAbstraction took 9144.99 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 60.4 MB in the beginning and 46.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,427 INFO L168 Benchmark]: Witness Printer took 189.20 ms. Allocated memory is still 100.7 MB. Free memory was 46.4 MB in the beginning and 38.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:25:19,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 846.30 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 37.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.93 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 34.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.17 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.1 MB in the beginning and 65.3 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2923.51 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 60.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9144.99 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 60.4 MB in the beginning and 46.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Witness Printer took 189.20 ms. Allocated memory is still 100.7 MB. Free memory was 46.4 MB in the beginning and 38.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9035.3ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 27.9ms, AutomataDifference: 2317.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 462.2ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 521 SDtfs, 909 SDslu, 569 SDs, 0 SdLazy, 127 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1807.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 306.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 120.4ms AutomataMinimizationTime, 7 MinimizatonAttempts, 187 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 84 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1714 FormulaSimplificationTreeSizeReduction, 336.0ms HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 114.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 209.3ms SsaConstructionTime, 1026.7ms SatisfiabilityAnalysisTime, 2082.8ms InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1617 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 54/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:25:19,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b474470d-d3b1-45e9-8adc-e3286b0005e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...