./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:55:51,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:55:51,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:55:51,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:55:51,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:55:51,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:55:51,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:55:51,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:55:51,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:55:51,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:55:51,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:55:51,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:55:51,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:55:51,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:55:51,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:55:51,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:55:51,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:55:51,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:55:51,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:55:51,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:55:51,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:55:51,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:55:51,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:55:51,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:55:51,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:55:51,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:55:51,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:55:51,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:55:51,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:55:51,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:55:51,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:55:51,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:55:51,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:55:51,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:55:51,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:55:51,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:55:51,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:55:51,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:55:51,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:55:51,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:55:51,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:55:51,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:55:51,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:55:51,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:55:51,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:55:51,869 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:55:51,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:55:51,869 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:55:51,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:55:51,870 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:55:51,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:55:51,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:55:51,871 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:55:51,871 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:55:51,871 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:55:51,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:55:51,872 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:55:51,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:55:51,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:55:51,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:55:51,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:55:51,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:55:51,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:55:51,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:55:51,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:55:51,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:55:51,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:55:51,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:55:51,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:55:51,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:55:51,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:55:51,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:55:51,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:51,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:55:51,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:55:51,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:55:51,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:55:51,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:55:51,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:55:51,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:55:51,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:55:51,879 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2021-10-29 04:55:52,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:55:52,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:55:52,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:55:52,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:55:52,224 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:55:52,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-29 04:55:52,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/ae6885441/e00ba393e4be41baa92efb683d5b0837/FLAG8fa14cfaf [2021-10-29 04:55:52,908 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:55:52,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-29 04:55:52,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/ae6885441/e00ba393e4be41baa92efb683d5b0837/FLAG8fa14cfaf [2021-10-29 04:55:53,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/ae6885441/e00ba393e4be41baa92efb683d5b0837 [2021-10-29 04:55:53,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:55:53,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:55:53,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:53,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:55:53,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:55:53,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:53" (1/1) ... [2021-10-29 04:55:53,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1e9bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:53, skipping insertion in model container [2021-10-29 04:55:53,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:53" (1/1) ... [2021-10-29 04:55:53,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:55:53,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:53,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-29 04:55:53,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:53,698 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 04:55:53,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e5a4ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:53, skipping insertion in model container [2021-10-29 04:55:53,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:53,700 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:55:53,702 INFO L168 Benchmark]: Toolchain (without parser) took 472.64 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.8 MB in the beginning and 87.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:55:53,703 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 92.3 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:55:53,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.23 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.7 MB in the beginning and 87.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:55:53,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 92.3 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.23 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.7 MB in the beginning and 87.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 663]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:55:56,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:55:56,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:55:56,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:55:56,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:55:56,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:55:56,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:55:56,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:55:56,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:55:56,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:55:56,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:55:56,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:55:56,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:55:56,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:55:56,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:55:56,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:55:56,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:55:56,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:55:56,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:55:56,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:55:56,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:55:56,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:55:56,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:55:56,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:55:56,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:55:56,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:55:56,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:55:56,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:55:56,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:55:56,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:55:56,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:55:56,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:55:56,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:55:56,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:55:56,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:55:56,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:55:56,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:55:56,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:55:56,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:55:56,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:55:56,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:55:56,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:55:56,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:55:56,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:55:56,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:55:56,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:55:56,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:55:56,479 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:55:56,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:55:56,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:55:56,481 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:55:56,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:55:56,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:55:56,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:55:56,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:55:56,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:55:56,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:55:56,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:55:56,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:55:56,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:55:56,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:55:56,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:55:56,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:55:56,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:55:56,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:55:56,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:55:56,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:55:56,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:55:56,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:56,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:55:56,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:55:56,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:55:56,490 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:55:56,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:55:56,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:55:56,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:55:56,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:55:56,491 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2021-10-29 04:55:56,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:55:56,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:55:56,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:55:56,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:55:56,961 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:55:56,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-29 04:55:57,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/47ed6303e/d97d6181a9d44bb09ef4ff00867c6b60/FLAGd1814c8ef [2021-10-29 04:55:57,767 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:55:57,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-29 04:55:57,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/47ed6303e/d97d6181a9d44bb09ef4ff00867c6b60/FLAGd1814c8ef [2021-10-29 04:55:58,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/data/47ed6303e/d97d6181a9d44bb09ef4ff00867c6b60 [2021-10-29 04:55:58,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:55:58,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:55:58,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:58,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:55:58,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:55:58,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f3dff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58, skipping insertion in model container [2021-10-29 04:55:58,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:55:58,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:58,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-29 04:55:58,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,597 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:55:58,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:55:58,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-29 04:55:58,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,758 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:55:58,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-29 04:55:58,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:55:58,865 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:55:58,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58 WrapperNode [2021-10-29 04:55:58,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:55:58,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:55:58,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:55:58,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:55:58,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:55:58,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:55:58,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:55:58,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:55:58,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:58,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:55:59,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:55:59,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:55:59,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:55:59,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (1/1) ... [2021-10-29 04:55:59,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:55:59,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:55:59,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:55:59,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:55:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:55:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:55:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:55:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:56:01,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:56:01,570 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-29 04:56:01,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:01 BoogieIcfgContainer [2021-10-29 04:56:01,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:56:01,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:56:01,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:56:01,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:56:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:55:58" (1/3) ... [2021-10-29 04:56:01,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2844d22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:56:01, skipping insertion in model container [2021-10-29 04:56:01,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:55:58" (2/3) ... [2021-10-29 04:56:01,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2844d22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:56:01, skipping insertion in model container [2021-10-29 04:56:01,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:01" (3/3) ... [2021-10-29 04:56:01,583 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2021-10-29 04:56:01,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:56:01,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:56:01,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:56:01,642 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:56:01,643 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:56:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5714285714285714) internal successors, (187), 122 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:56:01,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:01,668 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:01,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:01,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1471206820, now seen corresponding path program 1 times [2021-10-29 04:56:01,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:01,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775608151] [2021-10-29 04:56:01,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:01,690 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:01,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:01,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:56:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:01,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:56:01,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,093 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:02,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775608151] [2021-10-29 04:56:02,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775608151] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:02,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:02,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:56:02,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938455452] [2021-10-29 04:56:02,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:56:02,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:56:02,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:56:02,122 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5714285714285714) internal successors, (187), 122 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:02,182 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-10-29 04:56:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:56:02,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 04:56:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:02,201 INFO L225 Difference]: With dead ends: 239 [2021-10-29 04:56:02,201 INFO L226 Difference]: Without dead ends: 119 [2021-10-29 04:56:02,205 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:56:02,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-29 04:56:02,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-29 04:56:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5086206896551724) internal successors, (175), 118 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-10-29 04:56:02,250 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-10-29 04:56:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:02,251 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-10-29 04:56:02,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-10-29 04:56:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:56:02,253 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:02,253 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:02,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:02,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:02,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1252370851, now seen corresponding path program 1 times [2021-10-29 04:56:02,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:02,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219336956] [2021-10-29 04:56:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:02,469 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:02,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:02,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:56:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:02,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:02,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:02,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:02,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219336956] [2021-10-29 04:56:02,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219336956] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:02,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:02,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:56:02,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178979392] [2021-10-29 04:56:02,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:02,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:02,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:02,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:02,854 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:02,890 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-10-29 04:56:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 04:56:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:02,894 INFO L225 Difference]: With dead ends: 119 [2021-10-29 04:56:02,894 INFO L226 Difference]: Without dead ends: 51 [2021-10-29 04:56:02,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-29 04:56:02,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-29 04:56:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-29 04:56:02,911 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-29 04:56:02,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:02,912 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-29 04:56:02,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-29 04:56:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:56:02,913 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:02,913 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:02,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:03,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,114 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:03,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 70895168, now seen corresponding path program 1 times [2021-10-29 04:56:03,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:03,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098486997] [2021-10-29 04:56:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:03,116 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:03,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:03,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:56:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:03,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:03,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:03,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:03,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:03,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098486997] [2021-10-29 04:56:03,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098486997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:03,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:03,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:56:03,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847582660] [2021-10-29 04:56:03,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:03,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:03,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:03,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:03,565 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:03,625 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2021-10-29 04:56:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:56:03,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 04:56:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:03,627 INFO L225 Difference]: With dead ends: 163 [2021-10-29 04:56:03,627 INFO L226 Difference]: Without dead ends: 119 [2021-10-29 04:56:03,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-29 04:56:03,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2021-10-29 04:56:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:03,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-29 04:56:03,639 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2021-10-29 04:56:03,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:03,640 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-29 04:56:03,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-29 04:56:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:56:03,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:03,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:03,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:03,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,859 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:03,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:03,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2090863582, now seen corresponding path program 1 times [2021-10-29 04:56:03,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:03,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888936683] [2021-10-29 04:56:03,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:03,861 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:03,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:03,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:56:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:04,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:04,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:04,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888936683] [2021-10-29 04:56:04,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888936683] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:04,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:04,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:56:04,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672509689] [2021-10-29 04:56:04,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:04,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:04,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:04,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:04,276 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:04,349 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-10-29 04:56:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:04,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 04:56:04,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:04,353 INFO L225 Difference]: With dead ends: 157 [2021-10-29 04:56:04,353 INFO L226 Difference]: Without dead ends: 93 [2021-10-29 04:56:04,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-29 04:56:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-10-29 04:56:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 90 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2021-10-29 04:56:04,382 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2021-10-29 04:56:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:04,383 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2021-10-29 04:56:04,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2021-10-29 04:56:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:56:04,384 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:04,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:04,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:04,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:04,597 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:04,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:04,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1765382007, now seen corresponding path program 1 times [2021-10-29 04:56:04,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:04,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368464758] [2021-10-29 04:56:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:04,598 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:04,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:04,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:56:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:04,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:04,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:05,027 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:05,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368464758] [2021-10-29 04:56:05,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368464758] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:05,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:05,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 04:56:05,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109160293] [2021-10-29 04:56:05,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:05,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:05,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:05,035 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:05,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:05,168 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2021-10-29 04:56:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 04:56:05,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 04:56:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:05,172 INFO L225 Difference]: With dead ends: 452 [2021-10-29 04:56:05,172 INFO L226 Difference]: Without dead ends: 368 [2021-10-29 04:56:05,173 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:05,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-29 04:56:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2021-10-29 04:56:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.4294478527607362) internal successors, (233), 163 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2021-10-29 04:56:05,208 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2021-10-29 04:56:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:05,209 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2021-10-29 04:56:05,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2021-10-29 04:56:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:56:05,211 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:05,211 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:05,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:05,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:05,425 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:05,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1095440129, now seen corresponding path program 1 times [2021-10-29 04:56:05,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:05,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789318717] [2021-10-29 04:56:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:05,426 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:05,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:05,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:05,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:56:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:05,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:05,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:05,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:05,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:05,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789318717] [2021-10-29 04:56:05,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789318717] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:05,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:05,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:56:05,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315350644] [2021-10-29 04:56:05,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:05,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:05,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:05,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:05,876 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:06,098 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2021-10-29 04:56:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 04:56:06,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 04:56:06,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:06,102 INFO L225 Difference]: With dead ends: 605 [2021-10-29 04:56:06,103 INFO L226 Difference]: Without dead ends: 448 [2021-10-29 04:56:06,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:06,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-29 04:56:06,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2021-10-29 04:56:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.4099378881987579) internal successors, (227), 161 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2021-10-29 04:56:06,127 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2021-10-29 04:56:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:06,127 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2021-10-29 04:56:06,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2021-10-29 04:56:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:56:06,129 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:06,130 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:06,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:06,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:06,345 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:06,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:06,345 INFO L85 PathProgramCache]: Analyzing trace with hash 494548661, now seen corresponding path program 1 times [2021-10-29 04:56:06,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:06,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606272241] [2021-10-29 04:56:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:06,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:06,349 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:06,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:56:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:06,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:06,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:06,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:06,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:06,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606272241] [2021-10-29 04:56:06,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606272241] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:06,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:06,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:56:06,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121033709] [2021-10-29 04:56:06,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:56:06,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:06,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:56:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:56:06,868 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:06,994 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2021-10-29 04:56:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:56:06,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:56:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:06,999 INFO L225 Difference]: With dead ends: 479 [2021-10-29 04:56:06,999 INFO L226 Difference]: Without dead ends: 324 [2021-10-29 04:56:07,000 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:56:07,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-29 04:56:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2021-10-29 04:56:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.3815028901734103) internal successors, (239), 173 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2021-10-29 04:56:07,029 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2021-10-29 04:56:07,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:07,030 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2021-10-29 04:56:07,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2021-10-29 04:56:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:56:07,035 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:07,035 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:07,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:07,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:07,248 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:07,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:07,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1195613239, now seen corresponding path program 1 times [2021-10-29 04:56:07,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:07,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671781421] [2021-10-29 04:56:07,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:07,250 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:07,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:07,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 04:56:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:07,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:56:07,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:07,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:07,815 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:07,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671781421] [2021-10-29 04:56:07,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671781421] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:07,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:07,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:56:07,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888880182] [2021-10-29 04:56:07,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:56:07,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:07,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:56:07,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:56:07,818 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:07,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:07,933 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2021-10-29 04:56:07,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:56:07,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:56:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:07,937 INFO L225 Difference]: With dead ends: 513 [2021-10-29 04:56:07,937 INFO L226 Difference]: Without dead ends: 346 [2021-10-29 04:56:07,940 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:56:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-29 04:56:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2021-10-29 04:56:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3646408839779005) internal successors, (247), 181 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2021-10-29 04:56:07,970 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2021-10-29 04:56:07,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:07,971 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2021-10-29 04:56:07,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2021-10-29 04:56:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:56:07,975 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:07,975 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:07,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-29 04:56:08,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,195 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:08,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:08,195 INFO L85 PathProgramCache]: Analyzing trace with hash 608807225, now seen corresponding path program 1 times [2021-10-29 04:56:08,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:08,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106362798] [2021-10-29 04:56:08,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:08,196 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:08,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:08,197 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:08,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:56:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:08,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:08,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:08,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:08,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:08,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106362798] [2021-10-29 04:56:08,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106362798] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:08,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:08,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:56:08,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87869416] [2021-10-29 04:56:08,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:08,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:08,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:08,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:08,744 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:08,869 INFO L93 Difference]: Finished difference Result 592 states and 807 transitions. [2021-10-29 04:56:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:56:08,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 04:56:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:08,873 INFO L225 Difference]: With dead ends: 592 [2021-10-29 04:56:08,873 INFO L226 Difference]: Without dead ends: 417 [2021-10-29 04:56:08,874 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:08,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2021-10-29 04:56:08,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 327. [2021-10-29 04:56:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 326 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 440 transitions. [2021-10-29 04:56:08,927 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 440 transitions. Word has length 33 [2021-10-29 04:56:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:08,927 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 440 transitions. [2021-10-29 04:56:08,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 440 transitions. [2021-10-29 04:56:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:56:08,928 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:08,928 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:08,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:09,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:09,143 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1791527943, now seen corresponding path program 1 times [2021-10-29 04:56:09,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:09,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696127060] [2021-10-29 04:56:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:09,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:09,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:09,145 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 04:56:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:09,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:09,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:09,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:09,723 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:09,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696127060] [2021-10-29 04:56:09,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696127060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:09,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:09,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:56:09,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389655155] [2021-10-29 04:56:09,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:09,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:09,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:09,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:09,728 INFO L87 Difference]: Start difference. First operand 327 states and 440 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:09,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:09,839 INFO L93 Difference]: Finished difference Result 535 states and 716 transitions. [2021-10-29 04:56:09,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:09,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 04:56:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:09,844 INFO L225 Difference]: With dead ends: 535 [2021-10-29 04:56:09,844 INFO L226 Difference]: Without dead ends: 533 [2021-10-29 04:56:09,845 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2021-10-29 04:56:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 400. [2021-10-29 04:56:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.3734335839598997) internal successors, (548), 399 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 548 transitions. [2021-10-29 04:56:09,900 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 548 transitions. Word has length 34 [2021-10-29 04:56:09,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:09,900 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 548 transitions. [2021-10-29 04:56:09,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 548 transitions. [2021-10-29 04:56:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:56:09,902 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:09,903 INFO L513 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] [2021-10-29 04:56:09,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:10,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:10,116 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:10,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1315379813, now seen corresponding path program 1 times [2021-10-29 04:56:10,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:10,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267125196] [2021-10-29 04:56:10,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:10,117 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:10,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:10,119 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 04:56:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:10,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:56:10,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:10,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:10,965 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:10,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267125196] [2021-10-29 04:56:10,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267125196] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:10,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1563333512] [2021-10-29 04:56:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:10,975 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:10,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:56:10,983 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:56:11,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-29 04:56:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:11,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:56:11,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:11,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:12,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1563333512] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:12,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408620096] [2021-10-29 04:56:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:12,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:56:12,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:56:12,042 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:56:12,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-29 04:56:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:12,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:56:12,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:12,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:56:12,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408620096] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:56:12,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 04:56:12,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-29 04:56:12,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105937124] [2021-10-29 04:56:12,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 04:56:12,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:12,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 04:56:12,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:56:12,927 INFO L87 Difference]: Start difference. First operand 400 states and 548 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:18,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:18,089 INFO L93 Difference]: Finished difference Result 4400 states and 6003 transitions. [2021-10-29 04:56:18,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-29 04:56:18,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 04:56:18,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:18,119 INFO L225 Difference]: With dead ends: 4400 [2021-10-29 04:56:18,119 INFO L226 Difference]: Without dead ends: 4007 [2021-10-29 04:56:18,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2021-10-29 04:56:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2021-10-29 04:56:18,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 1175. [2021-10-29 04:56:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 1.393526405451448) internal successors, (1636), 1174 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1636 transitions. [2021-10-29 04:56:18,351 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1636 transitions. Word has length 58 [2021-10-29 04:56:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:18,352 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 1636 transitions. [2021-10-29 04:56:18,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1636 transitions. [2021-10-29 04:56:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:56:18,354 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:18,354 INFO L513 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] [2021-10-29 04:56:18,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:18,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:18,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:18,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 04:56:18,983 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:18,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:18,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1573545251, now seen corresponding path program 1 times [2021-10-29 04:56:18,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:18,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771784170] [2021-10-29 04:56:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:18,984 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:18,985 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:18,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 04:56:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:19,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:56:19,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:56:19,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 04:56:19,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:19,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771784170] [2021-10-29 04:56:19,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771784170] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:19,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:19,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:56:19,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444876869] [2021-10-29 04:56:19,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:56:19,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:19,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:56:19,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:56:19,724 INFO L87 Difference]: Start difference. First operand 1175 states and 1636 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:19,894 INFO L93 Difference]: Finished difference Result 1834 states and 2495 transitions. [2021-10-29 04:56:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:56:19,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 04:56:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:19,899 INFO L225 Difference]: With dead ends: 1834 [2021-10-29 04:56:19,899 INFO L226 Difference]: Without dead ends: 666 [2021-10-29 04:56:19,901 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:56:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2021-10-29 04:56:19,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 273. [2021-10-29 04:56:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.286764705882353) internal successors, (350), 272 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 350 transitions. [2021-10-29 04:56:19,952 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 350 transitions. Word has length 58 [2021-10-29 04:56:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:19,953 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 350 transitions. [2021-10-29 04:56:19,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 350 transitions. [2021-10-29 04:56:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:56:19,955 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:19,955 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-10-29 04:56:19,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:20,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:20,170 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:20,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:20,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1084126975, now seen corresponding path program 1 times [2021-10-29 04:56:20,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:20,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300485260] [2021-10-29 04:56:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:20,171 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:20,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:20,175 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 04:56:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:20,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:20,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:20,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:56:20,951 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:20,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300485260] [2021-10-29 04:56:20,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300485260] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:20,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:20,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:56:20,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968619000] [2021-10-29 04:56:20,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:56:20,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:20,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:56:20,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:20,954 INFO L87 Difference]: Start difference. First operand 273 states and 350 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:24,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:24,082 INFO L93 Difference]: Finished difference Result 538 states and 692 transitions. [2021-10-29 04:56:24,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:24,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 04:56:24,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:24,085 INFO L225 Difference]: With dead ends: 538 [2021-10-29 04:56:24,086 INFO L226 Difference]: Without dead ends: 272 [2021-10-29 04:56:24,087 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:56:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-10-29 04:56:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 271. [2021-10-29 04:56:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.2592592592592593) internal successors, (340), 270 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 340 transitions. [2021-10-29 04:56:24,131 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 340 transitions. Word has length 58 [2021-10-29 04:56:24,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:24,132 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 340 transitions. [2021-10-29 04:56:24,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 340 transitions. [2021-10-29 04:56:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 04:56:24,134 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:56:24,134 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1] [2021-10-29 04:56:24,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-29 04:56:24,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:24,349 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:56:24,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:56:24,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1918630825, now seen corresponding path program 1 times [2021-10-29 04:56:24,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:56:24,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989508444] [2021-10-29 04:56:24,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:56:24,351 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:56:24,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:56:24,352 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:56:24,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 04:56:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:56:24,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:56:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:56:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:56:25,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:56:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:56:25,187 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:56:25,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989508444] [2021-10-29 04:56:25,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989508444] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:56:25,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:56:25,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:56:25,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371252678] [2021-10-29 04:56:25,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:56:25,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:56:25,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:56:25,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:25,189 INFO L87 Difference]: Start difference. First operand 271 states and 340 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:26,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:56:26,337 INFO L93 Difference]: Finished difference Result 527 states and 661 transitions. [2021-10-29 04:56:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:56:26,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-29 04:56:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:56:26,338 INFO L225 Difference]: With dead ends: 527 [2021-10-29 04:56:26,338 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:56:26,339 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:56:26,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:56:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:56:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:56:26,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-29 04:56:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:56:26,340 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:56:26,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:56:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:56:26,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:56:26,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:26,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:26,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:56:26,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 04:56:26,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:56:26,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:56:26,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:26,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:27,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:28,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:29,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:30,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:30,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:56:42,710 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,711 INFO L853 garLoopResultBuilder]: At program point L630(lines 625 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-29 04:56:42,711 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 625 633) the Hoare annotation is: false [2021-10-29 04:56:42,711 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 625 633) the Hoare annotation is: false [2021-10-29 04:56:42,711 INFO L853 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: false [2021-10-29 04:56:42,711 INFO L857 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-10-29 04:56:42,711 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2021-10-29 04:56:42,712 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 335 341) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2021-10-29 04:56:42,712 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,712 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,712 INFO L857 garLoopResultBuilder]: For program point L302-3(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,712 INFO L857 garLoopResultBuilder]: For program point L302-5(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,712 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2021-10-29 04:56:42,713 INFO L857 garLoopResultBuilder]: For program point L302-6(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,713 INFO L853 garLoopResultBuilder]: At program point L104-1(lines 142 148) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse6 .cse5 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3)))) [2021-10-29 04:56:42,713 INFO L857 garLoopResultBuilder]: For program point L302-8(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,713 INFO L857 garLoopResultBuilder]: For program point L302-9(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,713 INFO L857 garLoopResultBuilder]: For program point L302-11(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,714 INFO L857 garLoopResultBuilder]: For program point L302-12(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,714 INFO L857 garLoopResultBuilder]: For program point L302-14(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,714 INFO L857 garLoopResultBuilder]: For program point L302-15(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,714 INFO L857 garLoopResultBuilder]: For program point L302-17(lines 302 306) no Hoare annotation was computed. [2021-10-29 04:56:42,714 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L370-1(lines 142 148) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,715 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L174-4(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 191) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-10-29 04:56:42,716 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 542) no Hoare annotation was computed. [2021-10-29 04:56:42,717 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,717 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 542) no Hoare annotation was computed. [2021-10-29 04:56:42,717 INFO L853 garLoopResultBuilder]: At program point L142(lines 141 160) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2) (and .cse0 .cse1 .cse5 .cse3)))) [2021-10-29 04:56:42,717 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-10-29 04:56:42,717 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-10-29 04:56:42,718 INFO L853 garLoopResultBuilder]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2021-10-29 04:56:42,718 INFO L853 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-29 04:56:42,718 INFO L853 garLoopResultBuilder]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2021-10-29 04:56:42,718 INFO L853 garLoopResultBuilder]: At program point L308(lines 293 311) the Hoare annotation is: false [2021-10-29 04:56:42,718 INFO L853 garLoopResultBuilder]: At program point L308-1(lines 293 311) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 (= ~waterLevel~0 (_ bv1 32)) .cse6 .cse2 .cse3))) [2021-10-29 04:56:42,719 INFO L853 garLoopResultBuilder]: At program point L308-2(lines 293 311) the Hoare annotation is: false [2021-10-29 04:56:42,719 INFO L853 garLoopResultBuilder]: At program point L308-3(lines 293 311) the Hoare annotation is: false [2021-10-29 04:56:42,719 INFO L853 garLoopResultBuilder]: At program point L308-4(lines 293 311) the Hoare annotation is: false [2021-10-29 04:56:42,719 INFO L853 garLoopResultBuilder]: At program point L308-5(lines 293 311) the Hoare annotation is: false [2021-10-29 04:56:42,719 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-10-29 04:56:42,719 INFO L853 garLoopResultBuilder]: At program point L474-1(lines 1 1008) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-29 04:56:42,720 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-10-29 04:56:42,720 INFO L853 garLoopResultBuilder]: At program point L474-3(lines 1 1008) the Hoare annotation is: false [2021-10-29 04:56:42,720 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-10-29 04:56:42,720 INFO L853 garLoopResultBuilder]: At program point L474-5(lines 1 1008) the Hoare annotation is: false [2021-10-29 04:56:42,720 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2021-10-29 04:56:42,720 INFO L860 garLoopResultBuilder]: At program point L442-1(lines 442 449) the Hoare annotation is: true [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178-3(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178-4(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,721 INFO L857 garLoopResultBuilder]: For program point L178-5(lines 178 186) no Hoare annotation was computed. [2021-10-29 04:56:42,722 INFO L853 garLoopResultBuilder]: At program point L575(lines 570 578) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4) (and .cse0 .cse3 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4))) [2021-10-29 04:56:42,722 INFO L853 garLoopResultBuilder]: At program point L575-1(lines 570 578) the Hoare annotation is: false [2021-10-29 04:56:42,722 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2021-10-29 04:56:42,722 INFO L857 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,722 INFO L857 garLoopResultBuilder]: For program point L1005-1(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,723 INFO L857 garLoopResultBuilder]: For program point L1005-2(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,723 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-29 04:56:42,723 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-29 04:56:42,723 INFO L857 garLoopResultBuilder]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-10-29 04:56:42,723 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-10-29 04:56:42,724 INFO L857 garLoopResultBuilder]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-10-29 04:56:42,724 INFO L857 garLoopResultBuilder]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-10-29 04:56:42,724 INFO L853 garLoopResultBuilder]: At program point L149(lines 149 155) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4) (and .cse0 .cse3 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4))) [2021-10-29 04:56:42,724 INFO L853 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2021-10-29 04:56:42,724 INFO L853 garLoopResultBuilder]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2021-10-29 04:56:42,724 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2021-10-29 04:56:42,725 INFO L853 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:56:42,725 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:56:42,725 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-10-29 04:56:42,725 INFO L853 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-29 04:56:42,725 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,725 INFO L857 garLoopResultBuilder]: For program point L615-1(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L857 garLoopResultBuilder]: For program point L615-2(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L857 garLoopResultBuilder]: For program point L615-3(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L857 garLoopResultBuilder]: For program point L615-4(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L857 garLoopResultBuilder]: For program point L615-5(lines 615 621) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 554) no Hoare annotation was computed. [2021-10-29 04:56:42,726 INFO L860 garLoopResultBuilder]: At program point L451(lines 432 454) the Hoare annotation is: true [2021-10-29 04:56:42,727 INFO L853 garLoopResultBuilder]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-29 04:56:42,727 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 248 256) the Hoare annotation is: false [2021-10-29 04:56:42,727 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 248 256) the Hoare annotation is: false [2021-10-29 04:56:42,727 INFO L853 garLoopResultBuilder]: At program point L518(lines 1 1008) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:56:42,727 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point L321-6(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point L321-8(lines 321 325) no Hoare annotation was computed. [2021-10-29 04:56:42,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620(lines 611 624) the Hoare annotation is: false [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620-1(lines 611 624) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3))) [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620-2(lines 611 624) the Hoare annotation is: false [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620-3(lines 611 624) the Hoare annotation is: false [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620-4(lines 611 624) the Hoare annotation is: false [2021-10-29 04:56:42,729 INFO L853 garLoopResultBuilder]: At program point L620-5(lines 611 624) the Hoare annotation is: false [2021-10-29 04:56:42,730 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:56:42,730 INFO L853 garLoopResultBuilder]: At program point L327(lines 312 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-29 04:56:42,730 INFO L853 garLoopResultBuilder]: At program point L327-1(lines 312 330) the Hoare annotation is: false [2021-10-29 04:56:42,730 INFO L853 garLoopResultBuilder]: At program point L327-2(lines 312 330) the Hoare annotation is: false [2021-10-29 04:56:42,730 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2021-10-29 04:56:42,731 INFO L853 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:56:42,731 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:56:42,731 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-29 04:56:42,731 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-10-29 04:56:42,731 INFO L853 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:56:42,732 INFO L857 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2021-10-29 04:56:42,732 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2021-10-29 04:56:42,732 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2021-10-29 04:56:42,732 INFO L857 garLoopResultBuilder]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2021-10-29 04:56:42,732 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-29 04:56:42,735 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:56:42,737 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:56:42,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:56:42 BoogieIcfgContainer [2021-10-29 04:56:42,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:56:42,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:56:42,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:56:42,776 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:56:42,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:56:01" (3/4) ... [2021-10-29 04:56:42,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:56:42,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:56:42,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:56:42,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:56:42,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:56:42,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:56:42,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:56:42,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:56:42,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:56:42,834 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:56:42,835 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:56:42,837 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 04:56:42,838 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32) [2021-10-29 04:56:42,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:56:42,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 04:56:42,840 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 [2021-10-29 04:56:42,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 04:56:42,892 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:56:42,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:56:42,894 INFO L168 Benchmark]: Toolchain (without parser) took 44860.04 ms. Allocated memory was 65.0 MB in the beginning and 151.0 MB in the end (delta: 86.0 MB). Free memory was 43.5 MB in the beginning and 89.5 MB in the end (delta: -46.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,895 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:56:42,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.30 ms. Allocated memory is still 65.0 MB. Free memory was 43.3 MB in the beginning and 31.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.17 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 45.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,896 INFO L168 Benchmark]: Boogie Preprocessor took 56.21 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,896 INFO L168 Benchmark]: RCFGBuilder took 2558.16 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 42.7 MB in the beginning and 54.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,897 INFO L168 Benchmark]: TraceAbstraction took 41199.78 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 53.7 MB in the beginning and 100.0 MB in the end (delta: -46.3 MB). Peak memory consumption was 85.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,897 INFO L168 Benchmark]: Witness Printer took 117.56 ms. Allocated memory is still 151.0 MB. Free memory was 100.0 MB in the beginning and 89.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:56:42,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 831.30 ms. Allocated memory is still 65.0 MB. Free memory was 43.3 MB in the beginning and 31.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.17 ms. Allocated memory is still 65.0 MB. Free memory was 31.7 MB in the beginning and 45.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.21 ms. Allocated memory is still 65.0 MB. Free memory was 45.6 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2558.16 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 42.7 MB in the beginning and 54.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 41199.78 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 53.7 MB in the beginning and 100.0 MB in the end (delta: -46.3 MB). Peak memory consumption was 85.1 MB. Max. memory is 16.1 GB. * Witness Printer took 117.56 ms. Allocated memory is still 151.0 MB. Free memory was 100.0 MB in the beginning and 89.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1472 SDtfs, 2315 SDslu, 3205 SDs, 0 SdLazy, 441 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1253 GetRequests, 1190 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1175occurred in iteration=11, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 4303 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 150 NumberOfFragments, 727 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1394140 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 1116772 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1220 ConstructedInterpolants, 0 QuantifiedInterpolants, 2381 SizeOfPredicates, 29 NumberOfNonLiveVariables, 3569 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 196/232 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methAndRunningLastTime == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:56:42,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3b803f-047b-49cc-8339-d1ef550b5a3b/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...