./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan --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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan --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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:09,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:09,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:09,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:09,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:09,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:09,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:09,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:09,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:09,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:09,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:09,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:09,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:09,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:09,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:09,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:09,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:09,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:09,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:09,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:09,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:09,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:09,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:09,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:09,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:09,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:09,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:09,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:09,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:09,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:09,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:09,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:09,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:09,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:09,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:09,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:09,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:09,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:09,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:09,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:09,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:09,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:09,730 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:09,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:09,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:09,731 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:09,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:09,732 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:09,732 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:09,732 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:09,732 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:09,732 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:09,733 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:09,738 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:09,738 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:09,738 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:09,739 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:09,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:09,740 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:09,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:09,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:09,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:09,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:09,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:09,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:09,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:09,741 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:09,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:09,742 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:09,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:09,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:09,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:09,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:09,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:09,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:09,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:09,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:09,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:09,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:09,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:09,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:09,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:09,748 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-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2020-11-22 13:05:10,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:10,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:10,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:10,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:10,065 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:10,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-11-22 13:05:10,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/bc72fe613/ca4cc60cd6a149f5b761d7a1afa09501/FLAGa10e292b1 [2020-11-22 13:05:10,676 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:10,676 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-11-22 13:05:10,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/bc72fe613/ca4cc60cd6a149f5b761d7a1afa09501/FLAGa10e292b1 [2020-11-22 13:05:10,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/bc72fe613/ca4cc60cd6a149f5b761d7a1afa09501 [2020-11-22 13:05:11,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:11,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:11,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:11,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:11,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:11,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:11,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b86ac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:11, skipping insertion in model container [2020-11-22 13:05:11,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:10" (1/1) ... [2020-11-22 13:05:11,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:11,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:11,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:11,449 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) [2020-11-22 13:05:11,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ffcc3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:11, skipping insertion in model container [2020-11-22 13:05:11,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:11,451 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:11,453 INFO L168 Benchmark]: Toolchain (without parser) took 450.30 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 87.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:11,454 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory was 85.3 MB in the beginning and 85.3 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:11,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.00 ms. Allocated memory is still 115.3 MB. Free memory was 78.4 MB in the beginning and 87.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:11,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory was 85.3 MB in the beginning and 85.3 MB in the end (delta: 23.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.00 ms. Allocated memory is still 115.3 MB. Free memory was 78.4 MB in the beginning and 87.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 599]: 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 0.2.0-a4ecdab [2020-11-22 13:05:13,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:13,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:13,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:13,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:13,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:13,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:13,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:13,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:13,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:13,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:13,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:13,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:13,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:13,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:13,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:13,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:13,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:13,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:13,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:13,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:13,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:13,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:13,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:13,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:13,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:13,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:13,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:13,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:13,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:13,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:13,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:13,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:13,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:13,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:13,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:13,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:13,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:13,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:13,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:13,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:13,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:14,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:14,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:14,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:14,004 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:14,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:14,005 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:14,005 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:14,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:14,005 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:14,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:14,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:14,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:14,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:14,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:14,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:14,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:14,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:14,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:14,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:14,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:14,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:14,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:14,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:14,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:14,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:14,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:14,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:14,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:14,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:14,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:14,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:14,013 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:14,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:14,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:14,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:14,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:14,022 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-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2020-11-22 13:05:14,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:14,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:14,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:14,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:14,502 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:14,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-11-22 13:05:14,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/87f99e233/11ccd269a559400db15f901bcba3a7fc/FLAG8738427a9 [2020-11-22 13:05:15,169 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:15,170 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-11-22 13:05:15,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/87f99e233/11ccd269a559400db15f901bcba3a7fc/FLAG8738427a9 [2020-11-22 13:05:15,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/data/87f99e233/11ccd269a559400db15f901bcba3a7fc [2020-11-22 13:05:15,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:15,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:15,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:15,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:15,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:15,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:15" (1/1) ... [2020-11-22 13:05:15,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572dd08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:15, skipping insertion in model container [2020-11-22 13:05:15,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:15" (1/1) ... [2020-11-22 13:05:15,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:15,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:15,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:15,971 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:15,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:16,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:16,122 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:16,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:16,231 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:16,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16 WrapperNode [2020-11-22 13:05:16,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:16,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:16,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:16,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:16,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:16,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:16,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:16,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:16,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... [2020-11-22 13:05:16,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:16,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:16,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:16,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:16,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:19,104 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:19,104 INFO L298 CfgBuilder]: Removed 176 assume(true) statements. [2020-11-22 13:05:19,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:19 BoogieIcfgContainer [2020-11-22 13:05:19,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:19,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:19,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:19,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:19,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:15" (1/3) ... [2020-11-22 13:05:19,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d751b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:19, skipping insertion in model container [2020-11-22 13:05:19,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:16" (2/3) ... [2020-11-22 13:05:19,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d751b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:19, skipping insertion in model container [2020-11-22 13:05:19,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:19" (3/3) ... [2020-11-22 13:05:19,119 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-11-22 13:05:19,135 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:19,140 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:19,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:19,190 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:19,190 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:19,190 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:19,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:19,191 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:19,191 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:19,191 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:19,191 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-11-22 13:05:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:05:19,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:19,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:19,223 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:19,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:19,229 INFO L82 PathProgramCache]: Analyzing trace with hash 2010350306, now seen corresponding path program 1 times [2020-11-22 13:05:19,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:19,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043278272] [2020-11-22 13:05:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:19,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:19,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:19,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043278272] [2020-11-22 13:05:19,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:19,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:19,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129481031] [2020-11-22 13:05:19,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:19,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:19,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:19,582 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-11-22 13:05:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:19,615 INFO L93 Difference]: Finished difference Result 248 states and 373 transitions. [2020-11-22 13:05:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:19,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-22 13:05:19,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:19,627 INFO L225 Difference]: With dead ends: 248 [2020-11-22 13:05:19,628 INFO L226 Difference]: Without dead ends: 122 [2020-11-22 13:05:19,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:19,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-22 13:05:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-22 13:05:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-22 13:05:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-11-22 13:05:19,677 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-11-22 13:05:19,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:19,678 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-11-22 13:05:19,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-11-22 13:05:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-22 13:05:19,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:19,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:19,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:19,893 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:19,894 INFO L82 PathProgramCache]: Analyzing trace with hash -478597437, now seen corresponding path program 1 times [2020-11-22 13:05:19,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:19,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387211863] [2020-11-22 13:05:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:20,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:20,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:20,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:20,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387211863] [2020-11-22 13:05:20,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:20,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:20,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703459530] [2020-11-22 13:05:20,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:20,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:20,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:20,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:20,124 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 4 states. [2020-11-22 13:05:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:20,151 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-11-22 13:05:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:20,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-11-22 13:05:20,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:20,155 INFO L225 Difference]: With dead ends: 122 [2020-11-22 13:05:20,157 INFO L226 Difference]: Without dead ends: 51 [2020-11-22 13:05:20,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-22 13:05:20,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-22 13:05:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 13:05:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-11-22 13:05:20,174 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-11-22 13:05:20,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:20,175 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-11-22 13:05:20,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-11-22 13:05:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:05:20,176 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:20,176 INFO L422 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] [2020-11-22 13:05:20,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:20,381 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:20,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:20,382 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2020-11-22 13:05:20,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:20,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565150262] [2020-11-22 13:05:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:20,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:20,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:20,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:20,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565150262] [2020-11-22 13:05:20,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:20,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:20,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873435247] [2020-11-22 13:05:20,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:20,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:20,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:20,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:20,600 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 4 states. [2020-11-22 13:05:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:20,618 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-11-22 13:05:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:20,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-11-22 13:05:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:20,620 INFO L225 Difference]: With dead ends: 95 [2020-11-22 13:05:20,622 INFO L226 Difference]: Without dead ends: 51 [2020-11-22 13:05:20,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:20,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-22 13:05:20,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-22 13:05:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 13:05:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-11-22 13:05:20,635 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-11-22 13:05:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:20,635 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-11-22 13:05:20,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-11-22 13:05:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-22 13:05:20,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:20,639 INFO L422 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, 1] [2020-11-22 13:05:20,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:20,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:20,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:20,851 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2020-11-22 13:05:20,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:20,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329202475] [2020-11-22 13:05:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:21,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:21,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:21,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:21,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329202475] [2020-11-22 13:05:21,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:21,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:05:21,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335404752] [2020-11-22 13:05:21,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:05:21,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:21,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:05:21,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:21,075 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-11-22 13:05:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:21,165 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-11-22 13:05:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:21,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-22 13:05:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:21,167 INFO L225 Difference]: With dead ends: 119 [2020-11-22 13:05:21,167 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 13:05:21,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 13:05:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-11-22 13:05:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:05:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-22 13:05:21,176 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-11-22 13:05:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:21,179 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-22 13:05:21,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:05:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-22 13:05:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:05:21,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:21,182 INFO L422 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:21,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:21,402 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:21,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:21,402 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2020-11-22 13:05:21,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:21,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857779850] [2020-11-22 13:05:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:21,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:05:21,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:21,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:21,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857779850] [2020-11-22 13:05:21,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:21,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:05:21,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459559727] [2020-11-22 13:05:21,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:05:21,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:21,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:05:21,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:05:21,639 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-11-22 13:05:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:21,725 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-11-22 13:05:21,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:21,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-22 13:05:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:21,728 INFO L225 Difference]: With dead ends: 263 [2020-11-22 13:05:21,728 INFO L226 Difference]: Without dead ends: 197 [2020-11-22 13:05:21,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:21,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-22 13:05:21,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-11-22 13:05:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-22 13:05:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-11-22 13:05:21,748 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-11-22 13:05:21,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:21,749 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-11-22 13:05:21,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:05:21,749 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-11-22 13:05:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:05:21,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:21,750 INFO L422 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:21,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:21,971 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:21,971 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2020-11-22 13:05:21,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:21,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885728877] [2020-11-22 13:05:21,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:22,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:22,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:22,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:22,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885728877] [2020-11-22 13:05:22,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:22,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:22,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977071801] [2020-11-22 13:05:22,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:22,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:22,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:22,323 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-11-22 13:05:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:22,438 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-11-22 13:05:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:05:22,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-22 13:05:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:22,440 INFO L225 Difference]: With dead ends: 202 [2020-11-22 13:05:22,440 INFO L226 Difference]: Without dead ends: 132 [2020-11-22 13:05:22,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:05:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-22 13:05:22,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-11-22 13:05:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-22 13:05:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-11-22 13:05:22,461 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-11-22 13:05:22,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:22,463 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-11-22 13:05:22,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-11-22 13:05:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:05:22,464 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:22,464 INFO L422 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:22,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,688 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:22,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:22,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2020-11-22 13:05:22,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:22,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403259198] [2020-11-22 13:05:22,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:22,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:22,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:22,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:22,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403259198] [2020-11-22 13:05:22,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:22,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:22,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44922296] [2020-11-22 13:05:22,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:22,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:22,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:22,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:05:22,940 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-11-22 13:05:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:23,121 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-11-22 13:05:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:05:23,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-22 13:05:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:23,122 INFO L225 Difference]: With dead ends: 282 [2020-11-22 13:05:23,122 INFO L226 Difference]: Without dead ends: 206 [2020-11-22 13:05:23,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-11-22 13:05:23,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-11-22 13:05:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-11-22 13:05:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-11-22 13:05:23,135 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-11-22 13:05:23,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:23,135 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-11-22 13:05:23,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-11-22 13:05:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:05:23,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:23,137 INFO L422 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:23,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,354 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:23,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2020-11-22 13:05:23,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:23,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839768585] [2020-11-22 13:05:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:23,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:23,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:23,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:23,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839768585] [2020-11-22 13:05:23,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:23,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:23,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195474028] [2020-11-22 13:05:23,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:23,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:23,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:23,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:23,614 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 4 states. [2020-11-22 13:05:23,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:23,707 INFO L93 Difference]: Finished difference Result 246 states and 331 transitions. [2020-11-22 13:05:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:23,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-22 13:05:23,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:23,709 INFO L225 Difference]: With dead ends: 246 [2020-11-22 13:05:23,710 INFO L226 Difference]: Without dead ends: 171 [2020-11-22 13:05:23,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:23,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-22 13:05:23,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2020-11-22 13:05:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-11-22 13:05:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 188 transitions. [2020-11-22 13:05:23,731 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 188 transitions. Word has length 34 [2020-11-22 13:05:23,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:23,732 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 188 transitions. [2020-11-22 13:05:23,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2020-11-22 13:05:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 13:05:23,735 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:23,735 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:23,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,951 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:23,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2020-11-22 13:05:23,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:23,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105507226] [2020-11-22 13:05:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:24,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-22 13:05:24,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:24,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:24,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105507226] [2020-11-22 13:05:24,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:24,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:05:24,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246850122] [2020-11-22 13:05:24,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:05:24,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:24,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:05:24,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:05:24,181 INFO L87 Difference]: Start difference. First operand 141 states and 188 transitions. Second operand 6 states. [2020-11-22 13:05:26,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:26,040 INFO L93 Difference]: Finished difference Result 687 states and 926 transitions. [2020-11-22 13:05:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-22 13:05:26,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-11-22 13:05:26,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:26,045 INFO L225 Difference]: With dead ends: 687 [2020-11-22 13:05:26,045 INFO L226 Difference]: Without dead ends: 553 [2020-11-22 13:05:26,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:05:26,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-11-22 13:05:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 251. [2020-11-22 13:05:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-11-22 13:05:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2020-11-22 13:05:26,102 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 35 [2020-11-22 13:05:26,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:26,102 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2020-11-22 13:05:26,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:05:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2020-11-22 13:05:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 13:05:26,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:26,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:26,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:05:26,319 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1709075204, now seen corresponding path program 1 times [2020-11-22 13:05:26,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:26,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866137485] [2020-11-22 13:05:26,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:26,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:05:26,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-22 13:05:26,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:26,595 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 13:05:26,595 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:05:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-22 13:05:26,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866137485] [2020-11-22 13:05:26,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [309147725] [2020-11-22 13:05:26,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:05:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:26,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-22 13:05:26,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:26,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:26,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621964975] [2020-11-22 13:05:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 13:05:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:27,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:27,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:27,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:27,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 13:05:27,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2020-11-22 13:05:27,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952336909] [2020-11-22 13:05:27,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-22 13:05:27,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:27,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-22 13:05:27,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-22 13:05:27,152 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand 14 states. [2020-11-22 13:05:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:36,787 INFO L93 Difference]: Finished difference Result 1905 states and 2626 transitions. [2020-11-22 13:05:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-22 13:05:36,788 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2020-11-22 13:05:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:36,798 INFO L225 Difference]: With dead ends: 1905 [2020-11-22 13:05:36,798 INFO L226 Difference]: Without dead ends: 1661 [2020-11-22 13:05:36,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2020-11-22 13:05:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-11-22 13:05:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 392. [2020-11-22 13:05:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-11-22 13:05:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2020-11-22 13:05:36,878 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 58 [2020-11-22 13:05:36,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:36,882 INFO L481 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2020-11-22 13:05:36,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-22 13:05:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2020-11-22 13:05:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-22 13:05:36,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:36,888 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:37,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,493 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:37,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:37,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2062617036, now seen corresponding path program 1 times [2020-11-22 13:05:37,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:37,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21188607] [2020-11-22 13:05:37,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:37,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:37,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-22 13:05:37,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-22 13:05:37,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21188607] [2020-11-22 13:05:37,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:37,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:05:37,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579490662] [2020-11-22 13:05:37,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:05:37,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:37,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:05:37,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:05:37,807 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand 8 states. [2020-11-22 13:05:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:37,889 INFO L93 Difference]: Finished difference Result 581 states and 747 transitions. [2020-11-22 13:05:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:37,890 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-11-22 13:05:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:37,890 INFO L225 Difference]: With dead ends: 581 [2020-11-22 13:05:37,890 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:37,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:05:37,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:37,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2020-11-22 13:05:37,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:37,892 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:37,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:05:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:37,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:38,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-22 13:05:38,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:38,428 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2020-11-22 13:05:38,867 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2020-11-22 13:05:39,654 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2020-11-22 13:05:39,954 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2020-11-22 13:05:40,250 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2020-11-22 13:05:40,431 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2020-11-22 13:05:41,031 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 23 [2020-11-22 13:05:41,498 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2020-11-22 13:05:41,638 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2020-11-22 13:05:41,924 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2020-11-22 13:05:42,263 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-11-22 13:05:42,718 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2020-11-22 13:05:43,061 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2020-11-22 13:05:43,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,064 INFO L277 CegarLoopResult]: At program point L531(lines 512 534) the Hoare annotation is: true [2020-11-22 13:05:43,064 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,064 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,064 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,064 INFO L274 CegarLoopResult]: For program point L268(lines 267 312) no Hoare annotation was computed. [2020-11-22 13:05:43,065 INFO L270 CegarLoopResult]: At program point L566(lines 561 569) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,065 INFO L274 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-11-22 13:05:43,065 INFO L270 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2020-11-22 13:05:43,065 INFO L270 CegarLoopResult]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2020-11-22 13:05:43,065 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2020-11-22 13:05:43,065 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-22 13:05:43,065 INFO L274 CegarLoopResult]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2020-11-22 13:05:43,065 INFO L274 CegarLoopResult]: For program point L964(lines 964 981) no Hoare annotation was computed. [2020-11-22 13:05:43,065 INFO L270 CegarLoopResult]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse3 .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 .cse5))) [2020-11-22 13:05:43,065 INFO L274 CegarLoopResult]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2020-11-22 13:05:43,066 INFO L270 CegarLoopResult]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2020-11-22 13:05:43,066 INFO L274 CegarLoopResult]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2020-11-22 13:05:43,066 INFO L270 CegarLoopResult]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2020-11-22 13:05:43,066 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,066 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,066 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,066 INFO L274 CegarLoopResult]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,067 INFO L274 CegarLoopResult]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,067 INFO L274 CegarLoopResult]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,067 INFO L274 CegarLoopResult]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse1))) [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2020-11-22 13:05:43,067 INFO L270 CegarLoopResult]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2020-11-22 13:05:43,067 INFO L274 CegarLoopResult]: For program point L968(lines 968 978) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2020-11-22 13:05:43,068 INFO L274 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411(lines 402 415) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L313(lines 266 314) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L270 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2020-11-22 13:05:43,069 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L270 CegarLoopResult]: At program point L249(lines 234 252) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,070 INFO L270 CegarLoopResult]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2020-11-22 13:05:43,070 INFO L270 CegarLoopResult]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2020-11-22 13:05:43,070 INFO L270 CegarLoopResult]: At program point L943(lines 938 945) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-11-22 13:05:43,070 INFO L270 CegarLoopResult]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2020-11-22 13:05:43,070 INFO L274 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L270 CegarLoopResult]: At program point L421(lines 416 424) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,071 INFO L270 CegarLoopResult]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2020-11-22 13:05:43,071 INFO L270 CegarLoopResult]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,071 INFO L274 CegarLoopResult]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L277 CegarLoopResult]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:43,072 INFO L270 CegarLoopResult]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse4 .cse3))) [2020-11-22 13:05:43,072 INFO L270 CegarLoopResult]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2020-11-22 13:05:43,073 INFO L270 CegarLoopResult]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2020-11-22 13:05:43,073 INFO L270 CegarLoopResult]: At program point L558(lines 1 984) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L274 CegarLoopResult]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2020-11-22 13:05:43,073 INFO L270 CegarLoopResult]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2))) [2020-11-22 13:05:43,073 INFO L270 CegarLoopResult]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2020-11-22 13:05:43,073 INFO L270 CegarLoopResult]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L494(lines 490 496) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:43,074 INFO L274 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230(lines 215 233) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L274 CegarLoopResult]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L274 CegarLoopResult]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L270 CegarLoopResult]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2020-11-22 13:05:43,074 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:43,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L430-2(line 430) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L274 CegarLoopResult]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2020-11-22 13:05:43,075 INFO L270 CegarLoopResult]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse3))) [2020-11-22 13:05:43,075 INFO L270 CegarLoopResult]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2020-11-22 13:05:43,075 INFO L270 CegarLoopResult]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2020-11-22 13:05:43,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:43 BoogieIcfgContainer [2020-11-22 13:05:43,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:43,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:43,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:43,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:43,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:19" (3/4) ... [2020-11-22 13:05:43,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:43,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:43,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:43,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:43,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:43,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:43,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:43,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:43,161 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:43,162 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:43,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:43,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:43,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:43,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:43,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 13:05:43,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 13:05:43,166 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 13:05:43,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 13:05:43,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8e97b208-df1e-4b8d-9159-d37a762745e9/bin/utaipan/witness.graphml [2020-11-22 13:05:43,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:43,260 INFO L168 Benchmark]: Toolchain (without parser) took 27807.92 ms. Allocated memory was 62.9 MB in the beginning and 163.6 MB in the end (delta: 100.7 MB). Free memory was 44.2 MB in the beginning and 126.6 MB in the end (delta: -82.4 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,261 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:43,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.07 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 30.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.55 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 26.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,262 INFO L168 Benchmark]: Boogie Preprocessor took 96.22 ms. Allocated memory is still 62.9 MB. Free memory was 26.4 MB in the beginning and 43.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,262 INFO L168 Benchmark]: RCFGBuilder took 2652.69 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 55.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,263 INFO L168 Benchmark]: TraceAbstraction took 23993.75 ms. Allocated memory was 77.6 MB in the beginning and 136.3 MB in the end (delta: 58.7 MB). Free memory was 54.9 MB in the beginning and 33.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,263 INFO L168 Benchmark]: Witness Printer took 154.08 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 126.6 MB in the end (delta: -93.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:43,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 776.07 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 30.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.55 ms. Allocated memory is still 62.9 MB. Free memory was 30.1 MB in the beginning and 26.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.22 ms. Allocated memory is still 62.9 MB. Free memory was 26.4 MB in the beginning and 43.8 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2652.69 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 55.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23993.75 ms. Allocated memory was 77.6 MB in the beginning and 136.3 MB in the end (delta: 58.7 MB). Free memory was 54.9 MB in the beginning and 33.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 84.2 MB. Max. memory is 16.1 GB. * Witness Printer took 154.08 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 126.6 MB in the end (delta: -93.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1297 SDtfs, 3024 SDslu, 3681 SDs, 0 SdLazy, 904 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1215 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1896 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 127 NumberOfFragments, 713 HoareAnnotationTreeSize, 49 FomulaSimplifications, 255049 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 87607 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 113334 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2921 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...