./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs --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 75875ab844b90581203382000ae6ab9f28a5c63a ............................................................................................................................................ 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_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs --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 75875ab844b90581203382000ae6ab9f28a5c63a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:57:32,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:57:32,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:57:32,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:57:32,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:57:32,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:57:32,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:57:32,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:57:32,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:57:32,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:57:32,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:57:32,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:57:32,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:57:32,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:57:32,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:57:32,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:57:32,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:57:32,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:57:32,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:57:32,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:57:32,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:57:32,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:57:32,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:57:32,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:57:32,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:57:32,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:57:32,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:57:32,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:57:32,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:57:32,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:57:32,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:57:32,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:57:32,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:57:32,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:57:32,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:57:32,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:57:32,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:57:32,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:57:32,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:57:32,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:57:32,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:57:32,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:57:32,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:57:32,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:57:32,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:57:32,679 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:57:32,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:57:32,679 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:57:32,680 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:57:32,680 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:57:32,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:57:32,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:57:32,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:57:32,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:57:32,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:57:32,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:57:32,689 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:57:32,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:57:32,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:57:32,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:57:32,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:57:32,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:57:32,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:57:32,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:57:32,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:57:32,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:57:32,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:57:32,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:57:32,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:57:32,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:57:32,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:57:32,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:57:32,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:57:32,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:57:32,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:57:32,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:57:32,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:57:32,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:57:32,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:57:32,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:57:32,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:57:32,697 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_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75875ab844b90581203382000ae6ab9f28a5c63a [2021-10-16 02:57:33,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:57:33,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:57:33,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:57:33,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:57:33,072 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:57:33,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-16 02:57:33,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/7a7173f00/8ff1c1121db144dbb14e0541a1803c2e/FLAG55ab16d34 [2021-10-16 02:57:33,865 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:57:33,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-16 02:57:33,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/7a7173f00/8ff1c1121db144dbb14e0541a1803c2e/FLAG55ab16d34 [2021-10-16 02:57:34,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/7a7173f00/8ff1c1121db144dbb14e0541a1803c2e [2021-10-16 02:57:34,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:57:34,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:57:34,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:57:34,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:57:34,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:57:34,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:57:34" (1/1) ... [2021-10-16 02:57:34,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67928caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:34, skipping insertion in model container [2021-10-16 02:57:34,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:57:34" (1/1) ... [2021-10-16 02:57:34,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:57:34,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:57:34,363 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_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2021-10-16 02:57:34,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:57:34,517 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) [2021-10-16 02:57:34,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e362208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:34, skipping insertion in model container [2021-10-16 02:57:34,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:57:34,519 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:57:34,521 INFO L168 Benchmark]: Toolchain (without parser) took 431.57 ms. Allocated memory is still 102.8 MB. Free memory was 63.8 MB in the beginning and 76.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:57:34,522 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory was 80.9 MB in the beginning and 80.9 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:57:34,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.50 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 76.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:57:34,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory was 80.9 MB in the beginning and 80.9 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.50 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 76.2 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 565]: 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-5709675 [2021-10-16 02:57:36,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:57:36,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:57:37,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:57:37,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:57:37,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:57:37,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:57:37,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:57:37,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:57:37,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:57:37,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:57:37,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:57:37,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:57:37,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:57:37,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:57:37,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:57:37,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:57:37,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:57:37,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:57:37,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:57:37,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:57:37,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:57:37,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:57:37,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:57:37,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:57:37,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:57:37,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:57:37,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:57:37,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:57:37,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:57:37,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:57:37,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:57:37,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:57:37,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:57:37,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:57:37,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:57:37,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:57:37,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:57:37,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:57:37,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:57:37,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:57:37,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:57:37,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:57:37,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:57:37,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:57:37,162 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:57:37,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:57:37,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:57:37,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:57:37,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:57:37,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:57:37,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:57:37,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:57:37,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:57:37,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:57:37,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:57:37,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:57:37,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:57:37,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:57:37,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:57:37,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:57:37,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:57:37,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:57:37,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:57:37,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:57:37,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:57:37,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:57:37,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:57:37,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:57:37,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:57:37,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:57:37,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:57:37,171 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:57:37,172 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:57:37,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:57:37,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:57:37,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:57:37,173 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_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75875ab844b90581203382000ae6ab9f28a5c63a [2021-10-16 02:57:37,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:57:37,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:57:37,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:57:37,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:57:37,607 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:57:37,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-16 02:57:37,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/f19faa53f/4e4d7dcfa81f4d32b3cf9983a6e8d6c8/FLAG2f904ba7f [2021-10-16 02:57:38,432 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:57:38,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2021-10-16 02:57:38,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/f19faa53f/4e4d7dcfa81f4d32b3cf9983a6e8d6c8/FLAG2f904ba7f [2021-10-16 02:57:38,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/data/f19faa53f/4e4d7dcfa81f4d32b3cf9983a6e8d6c8 [2021-10-16 02:57:38,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:57:38,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:57:38,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:57:38,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:57:38,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:57:38,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:57:38" (1/1) ... [2021-10-16 02:57:38,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ec0412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:38, skipping insertion in model container [2021-10-16 02:57:38,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:57:38" (1/1) ... [2021-10-16 02:57:38,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:57:38,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:57:38,912 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_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2021-10-16 02:57:39,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:57:39,122 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:57:39,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:57:39,157 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_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2021-10-16 02:57:39,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:57:39,252 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:57:39,266 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_d77ef594-1f99-4b59-9594-1252d73cb85a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2021-10-16 02:57:39,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:57:39,387 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:57:39,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39 WrapperNode [2021-10-16 02:57:39,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:57:39,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:57:39,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:57:39,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:57:39,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:57:39,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:57:39,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:57:39,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:57:39,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:57:39,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:57:39,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:57:39,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:57:39,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (1/1) ... [2021-10-16 02:57:39,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:57:39,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:57:39,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:57:39,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:57:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:57:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:57:39,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:57:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:57:42,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:57:42,392 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-16 02:57:42,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:57:42 BoogieIcfgContainer [2021-10-16 02:57:42,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:57:42,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:57:42,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:57:42,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:57:42,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:57:38" (1/3) ... [2021-10-16 02:57:42,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749c6a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:57:42, skipping insertion in model container [2021-10-16 02:57:42,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:57:39" (2/3) ... [2021-10-16 02:57:42,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749c6a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:57:42, skipping insertion in model container [2021-10-16 02:57:42,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:57:42" (3/3) ... [2021-10-16 02:57:42,406 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2021-10-16 02:57:42,412 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:57:42,412 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:57:42,466 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:57:42,473 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, mConcurrency=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 [2021-10-16 02:57:42,473 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:57:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 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) [2021-10-16 02:57:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 02:57:42,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:42,503 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:42,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1201783907, now seen corresponding path program 1 times [2021-10-16 02:57:42,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:42,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716533937] [2021-10-16 02:57:42,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:42,527 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:42,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:42,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:42,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:57:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:57:42,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:42,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:42,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:42,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716533937] [2021-10-16 02:57:42,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716533937] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:42,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:42,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:57:42,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66193818] [2021-10-16 02:57:42,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:57:42,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:42,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:57:42,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:57:42,982 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 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) [2021-10-16 02:57:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:43,051 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2021-10-16 02:57:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:57:43,052 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 [2021-10-16 02:57:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:43,074 INFO L225 Difference]: With dead ends: 384 [2021-10-16 02:57:43,074 INFO L226 Difference]: Without dead ends: 191 [2021-10-16 02:57:43,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:57:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-16 02:57:43,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-16 02:57:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5159574468085106) internal successors, (285), 190 states have internal predecessors, (285), 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) [2021-10-16 02:57:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2021-10-16 02:57:43,144 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2021-10-16 02:57:43,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:43,149 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2021-10-16 02:57:43,149 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) [2021-10-16 02:57:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2021-10-16 02:57:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 02:57:43,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:43,151 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:43,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:43,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:43,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:43,373 INFO L82 PathProgramCache]: Analyzing trace with hash 290753154, now seen corresponding path program 1 times [2021-10-16 02:57:43,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:43,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984179726] [2021-10-16 02:57:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:43,374 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:43,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:43,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:57:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:43,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:57:43,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:43,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:43,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:43,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984179726] [2021-10-16 02:57:43,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984179726] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:43,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:43,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:57:43,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087209601] [2021-10-16 02:57:43,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:57:43,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:43,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:57:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:43,720 INFO L87 Difference]: Start difference. First operand 191 states and 285 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) [2021-10-16 02:57:43,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:43,738 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2021-10-16 02:57:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:57:43,739 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 [2021-10-16 02:57:43,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:43,740 INFO L225 Difference]: With dead ends: 191 [2021-10-16 02:57:43,740 INFO L226 Difference]: Without dead ends: 73 [2021-10-16 02:57:43,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:43,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-16 02:57:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-16 02:57:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 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) [2021-10-16 02:57:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-16 02:57:43,749 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-16 02:57:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:43,749 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-16 02:57:43,750 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) [2021-10-16 02:57:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-16 02:57:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:57:43,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:43,751 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:43,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:43,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:43,964 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:43,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:43,964 INFO L82 PathProgramCache]: Analyzing trace with hash -2129855336, now seen corresponding path program 1 times [2021-10-16 02:57:43,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:43,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725111623] [2021-10-16 02:57:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:43,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:43,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:43,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:43,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:57:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:44,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:57:44,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:44,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:44,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:44,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725111623] [2021-10-16 02:57:44,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725111623] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:44,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:44,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:57:44,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041959193] [2021-10-16 02:57:44,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:57:44,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:44,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:57:44,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:44,372 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:44,388 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2021-10-16 02:57:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:57:44,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 02:57:44,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:44,390 INFO L225 Difference]: With dead ends: 140 [2021-10-16 02:57:44,390 INFO L226 Difference]: Without dead ends: 73 [2021-10-16 02:57:44,390 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-16 02:57:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-16 02:57:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 states have internal predecessors, (107), 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) [2021-10-16 02:57:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-16 02:57:44,401 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-16 02:57:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:44,402 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-16 02:57:44,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-16 02:57:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-16 02:57:44,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:44,410 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:44,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:44,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:44,625 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:44,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:44,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1287566232, now seen corresponding path program 1 times [2021-10-16 02:57:44,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:44,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43565887] [2021-10-16 02:57:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:44,627 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:44,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:44,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:44,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:57:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:44,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:57:44,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:44,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:44,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:44,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43565887] [2021-10-16 02:57:44,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43565887] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:44,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:44,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:57:44,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152256020] [2021-10-16 02:57:44,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:57:44,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:44,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:57:44,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:57:44,963 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2021-10-16 02:57:45,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:45,032 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-16 02:57:45,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:57:45,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 [2021-10-16 02:57:45,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:45,034 INFO L225 Difference]: With dead ends: 151 [2021-10-16 02:57:45,034 INFO L226 Difference]: Without dead ends: 84 [2021-10-16 02:57:45,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:57:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-16 02:57:45,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2021-10-16 02:57:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 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) [2021-10-16 02:57:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2021-10-16 02:57:45,054 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2021-10-16 02:57:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:45,054 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2021-10-16 02:57:45,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2021-10-16 02:57:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-10-16 02:57:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:57:45,055 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:45,056 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:45,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:45,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:45,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:45,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:45,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1887369033, now seen corresponding path program 1 times [2021-10-16 02:57:45,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:45,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598530820] [2021-10-16 02:57:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:45,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:45,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:45,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:57:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:45,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:45,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:45,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:45,726 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:45,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598530820] [2021-10-16 02:57:45,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598530820] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:45,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:45,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:57:45,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789102579] [2021-10-16 02:57:45,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:57:45,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:45,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:57:45,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:57:45,735 INFO L87 Difference]: Start difference. First operand 82 states and 116 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) [2021-10-16 02:57:45,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:45,860 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-10-16 02:57:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:57:45,860 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 [2021-10-16 02:57:45,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:45,864 INFO L225 Difference]: With dead ends: 216 [2021-10-16 02:57:45,864 INFO L226 Difference]: Without dead ends: 140 [2021-10-16 02:57:45,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:57:45,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-16 02:57:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-10-16 02:57:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 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) [2021-10-16 02:57:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2021-10-16 02:57:45,889 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2021-10-16 02:57:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:45,890 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2021-10-16 02:57:45,891 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) [2021-10-16 02:57:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-10-16 02:57:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 02:57:45,895 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:45,895 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:45,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:46,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:46,109 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:46,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:46,109 INFO L82 PathProgramCache]: Analyzing trace with hash 759972940, now seen corresponding path program 1 times [2021-10-16 02:57:46,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:46,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961314991] [2021-10-16 02:57:46,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:46,111 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:46,112 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:46,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:57:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:46,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:46,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:46,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:46,698 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:46,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961314991] [2021-10-16 02:57:46,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961314991] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:46,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:46,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 02:57:46,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007567908] [2021-10-16 02:57:46,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:57:46,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:46,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:57:46,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:57:46,706 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-10-16 02:57:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:47,220 INFO L93 Difference]: Finished difference Result 1039 states and 1459 transitions. [2021-10-16 02:57:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 02:57:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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 [2021-10-16 02:57:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:47,228 INFO L225 Difference]: With dead ends: 1039 [2021-10-16 02:57:47,228 INFO L226 Difference]: Without dead ends: 954 [2021-10-16 02:57:47,230 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 155.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-16 02:57:47,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-10-16 02:57:47,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 217. [2021-10-16 02:57:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.3703703703703705) internal successors, (296), 216 states have internal predecessors, (296), 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) [2021-10-16 02:57:47,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 296 transitions. [2021-10-16 02:57:47,283 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 296 transitions. Word has length 33 [2021-10-16 02:57:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:47,285 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 296 transitions. [2021-10-16 02:57:47,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-10-16 02:57:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 296 transitions. [2021-10-16 02:57:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:57:47,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:47,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:47,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:47,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:47,512 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:47,512 INFO L82 PathProgramCache]: Analyzing trace with hash 906151628, now seen corresponding path program 1 times [2021-10-16 02:57:47,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:47,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197794630] [2021-10-16 02:57:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:47,513 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:47,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:47,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:47,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 02:57:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:47,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:57:47,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:47,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:47,964 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:47,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197794630] [2021-10-16 02:57:47,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197794630] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:47,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:47,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 02:57:47,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136618421] [2021-10-16 02:57:47,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:57:47,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:47,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:57:47,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:57:47,967 INFO L87 Difference]: Start difference. First operand 217 states and 296 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2021-10-16 02:57:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:48,055 INFO L93 Difference]: Finished difference Result 548 states and 760 transitions. [2021-10-16 02:57:48,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:57:48,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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 [2021-10-16 02:57:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:48,058 INFO L225 Difference]: With dead ends: 548 [2021-10-16 02:57:48,058 INFO L226 Difference]: Without dead ends: 385 [2021-10-16 02:57:48,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:57:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-10-16 02:57:48,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 214. [2021-10-16 02:57:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.3615023474178405) internal successors, (290), 213 states have internal predecessors, (290), 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) [2021-10-16 02:57:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 290 transitions. [2021-10-16 02:57:48,088 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 290 transitions. Word has length 34 [2021-10-16 02:57:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:48,088 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 290 transitions. [2021-10-16 02:57:48,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2021-10-16 02:57:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2021-10-16 02:57:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:57:48,090 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:48,090 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:48,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:48,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:48,312 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash -2003254137, now seen corresponding path program 1 times [2021-10-16 02:57:48,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:48,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169333627] [2021-10-16 02:57:48,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:48,314 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:48,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:48,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:57:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:48,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:48,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:48,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:48,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169333627] [2021-10-16 02:57:48,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169333627] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:48,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:48,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:57:48,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414498476] [2021-10-16 02:57:48,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:57:48,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:48,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:57:48,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:57:48,826 INFO L87 Difference]: Start difference. First operand 214 states and 290 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:51,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:51,580 INFO L93 Difference]: Finished difference Result 579 states and 801 transitions. [2021-10-16 02:57:51,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:57:51,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-16 02:57:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:51,584 INFO L225 Difference]: With dead ends: 579 [2021-10-16 02:57:51,584 INFO L226 Difference]: Without dead ends: 371 [2021-10-16 02:57:51,585 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 76.0ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-16 02:57:51,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-10-16 02:57:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 166. [2021-10-16 02:57:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.309090909090909) internal successors, (216), 165 states have internal predecessors, (216), 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) [2021-10-16 02:57:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 216 transitions. [2021-10-16 02:57:51,613 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 216 transitions. Word has length 34 [2021-10-16 02:57:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:51,613 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 216 transitions. [2021-10-16 02:57:51,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2021-10-16 02:57:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:57:51,614 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:51,615 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:57:51,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:51,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:51,830 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:51,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1164317066, now seen corresponding path program 1 times [2021-10-16 02:57:51,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:51,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791511523] [2021-10-16 02:57:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:51,833 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:51,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:51,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:51,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:57:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:52,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:52,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:52,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:52,365 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:52,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791511523] [2021-10-16 02:57:52,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791511523] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:52,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:52,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:57:52,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465594704] [2021-10-16 02:57:52,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:57:52,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:52,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:57:52,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:57:52,367 INFO L87 Difference]: Start difference. First operand 166 states and 216 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:52,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:52,456 INFO L93 Difference]: Finished difference Result 449 states and 591 transitions. [2021-10-16 02:57:52,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:57:52,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-16 02:57:52,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:52,460 INFO L225 Difference]: With dead ends: 449 [2021-10-16 02:57:52,461 INFO L226 Difference]: Without dead ends: 289 [2021-10-16 02:57:52,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 52.8ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:57:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-10-16 02:57:52,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 166. [2021-10-16 02:57:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.290909090909091) internal successors, (213), 165 states have internal predecessors, (213), 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) [2021-10-16 02:57:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2021-10-16 02:57:52,486 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 34 [2021-10-16 02:57:52,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:52,487 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2021-10-16 02:57:52,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:57:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2021-10-16 02:57:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-16 02:57:52,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:52,489 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-16 02:57:52,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:52,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:52,705 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -174764895, now seen corresponding path program 1 times [2021-10-16 02:57:52,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:52,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161063422] [2021-10-16 02:57:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:52,706 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:52,707 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:52,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:57:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:52,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:57:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:57:53,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:57:53,357 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:53,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161063422] [2021-10-16 02:57:53,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161063422] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:53,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:53,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-16 02:57:53,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709907886] [2021-10-16 02:57:53,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:57:53,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:53,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:57:53,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:57:53,359 INFO L87 Difference]: Start difference. First operand 166 states and 213 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-16 02:57:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:56,025 INFO L93 Difference]: Finished difference Result 555 states and 736 transitions. [2021-10-16 02:57:56,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:57:56,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 52 [2021-10-16 02:57:56,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:56,029 INFO L225 Difference]: With dead ends: 555 [2021-10-16 02:57:56,029 INFO L226 Difference]: Without dead ends: 443 [2021-10-16 02:57:56,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:57:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-10-16 02:57:56,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 375. [2021-10-16 02:57:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 374 states have (on average 1.3021390374331552) internal successors, (487), 374 states have internal predecessors, (487), 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) [2021-10-16 02:57:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 487 transitions. [2021-10-16 02:57:56,091 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 487 transitions. Word has length 52 [2021-10-16 02:57:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:56,091 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 487 transitions. [2021-10-16 02:57:56,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-10-16 02:57:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 487 transitions. [2021-10-16 02:57:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-16 02:57:56,092 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:56,093 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-16 02:57:56,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:56,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:56,305 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:56,306 INFO L82 PathProgramCache]: Analyzing trace with hash 99994719, now seen corresponding path program 1 times [2021-10-16 02:57:56,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:56,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395006110] [2021-10-16 02:57:56,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:56,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:56,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:56,307 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:56,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 02:57:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:56,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:56,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:56,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:57:56,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:56,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395006110] [2021-10-16 02:57:56,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395006110] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:57:56,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:57:56,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 02:57:56,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751773559] [2021-10-16 02:57:56,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:57:56,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:56,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:57:56,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:57:56,984 INFO L87 Difference]: Start difference. First operand 375 states and 487 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-16 02:57:57,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:57:57,328 INFO L93 Difference]: Finished difference Result 1922 states and 2461 transitions. [2021-10-16 02:57:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:57:57,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2021-10-16 02:57:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:57:57,337 INFO L225 Difference]: With dead ends: 1922 [2021-10-16 02:57:57,338 INFO L226 Difference]: Without dead ends: 1553 [2021-10-16 02:57:57,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:57:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2021-10-16 02:57:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 742. [2021-10-16 02:57:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 741 states have (on average 1.2672064777327936) internal successors, (939), 741 states have internal predecessors, (939), 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) [2021-10-16 02:57:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 939 transitions. [2021-10-16 02:57:57,488 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 939 transitions. Word has length 52 [2021-10-16 02:57:57,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:57:57,489 INFO L470 AbstractCegarLoop]: Abstraction has 742 states and 939 transitions. [2021-10-16 02:57:57,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-16 02:57:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 939 transitions. [2021-10-16 02:57:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 02:57:57,490 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:57:57,490 INFO L512 BasicCegarLoop]: trace histogram [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, 1] [2021-10-16 02:57:57,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:57:57,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:57:57,703 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:57:57,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:57:57,704 INFO L82 PathProgramCache]: Analyzing trace with hash -42529499, now seen corresponding path program 1 times [2021-10-16 02:57:57,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:57:57,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717434245] [2021-10-16 02:57:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:57,705 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:57:57,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:57:57,706 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:57:57,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 02:57:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:58,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:58,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:58,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:58,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:57:58,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717434245] [2021-10-16 02:57:58,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717434245] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:57:58,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1633168567] [2021-10-16 02:57:58,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:58,417 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:57:58,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:57:58,424 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:57:58,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-16 02:57:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:58,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:57:58,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:59,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:59,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1633168567] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:57:59,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679283033] [2021-10-16 02:57:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:57:59,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:57:59,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:57:59,228 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:57:59,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-16 02:57:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:57:59,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:57:59,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:57:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:59,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:57:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:57:59,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679283033] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:57:59,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:57:59,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-16 02:57:59,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217197625] [2021-10-16 02:57:59,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:57:59,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:57:59,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:57:59,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:57:59,989 INFO L87 Difference]: Start difference. First operand 742 states and 939 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-16 02:58:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:03,054 INFO L93 Difference]: Finished difference Result 1834 states and 2307 transitions. [2021-10-16 02:58:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:58:03,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 53 [2021-10-16 02:58:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:03,063 INFO L225 Difference]: With dead ends: 1834 [2021-10-16 02:58:03,064 INFO L226 Difference]: Without dead ends: 1098 [2021-10-16 02:58:03,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 66.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:58:03,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-10-16 02:58:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 658. [2021-10-16 02:58:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 657 states have (on average 1.234398782343988) internal successors, (811), 657 states have internal predecessors, (811), 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) [2021-10-16 02:58:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 811 transitions. [2021-10-16 02:58:03,181 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 811 transitions. Word has length 53 [2021-10-16 02:58:03,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:03,183 INFO L470 AbstractCegarLoop]: Abstraction has 658 states and 811 transitions. [2021-10-16 02:58:03,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-16 02:58:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 811 transitions. [2021-10-16 02:58:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-16 02:58:03,184 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:03,184 INFO L512 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] [2021-10-16 02:58:03,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:03,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:03,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-10-16 02:58:03,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:58:03,798 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:03,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:03,798 INFO L82 PathProgramCache]: Analyzing trace with hash 280626892, now seen corresponding path program 1 times [2021-10-16 02:58:03,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:03,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221877131] [2021-10-16 02:58:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:03,799 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:03,803 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:03,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 02:58:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:04,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:58:04,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:58:04,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:58:04,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:04,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221877131] [2021-10-16 02:58:04,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221877131] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:04,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:58:04,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:58:04,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481393807] [2021-10-16 02:58:04,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:58:04,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:04,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:58:04,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:58:04,565 INFO L87 Difference]: Start difference. First operand 658 states and 811 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 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) [2021-10-16 02:58:06,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:06,331 INFO L93 Difference]: Finished difference Result 2567 states and 3159 transitions. [2021-10-16 02:58:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 02:58:06,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 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 54 [2021-10-16 02:58:06,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:06,343 INFO L225 Difference]: With dead ends: 2567 [2021-10-16 02:58:06,343 INFO L226 Difference]: Without dead ends: 2003 [2021-10-16 02:58:06,345 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 69.2ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-16 02:58:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-10-16 02:58:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 842. [2021-10-16 02:58:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.224732461355529) internal successors, (1030), 841 states have internal predecessors, (1030), 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) [2021-10-16 02:58:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1030 transitions. [2021-10-16 02:58:06,500 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1030 transitions. Word has length 54 [2021-10-16 02:58:06,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:06,501 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1030 transitions. [2021-10-16 02:58:06,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 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) [2021-10-16 02:58:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1030 transitions. [2021-10-16 02:58:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-16 02:58:06,503 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:06,503 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-16 02:58:06,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:06,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:06,716 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:06,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:06,717 INFO L82 PathProgramCache]: Analyzing trace with hash 103606007, now seen corresponding path program 1 times [2021-10-16 02:58:06,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:06,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846791398] [2021-10-16 02:58:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:06,718 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:06,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:06,720 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-16 02:58:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:07,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:07,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 02:58:07,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 02:58:07,348 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:07,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846791398] [2021-10-16 02:58:07,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846791398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:07,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:58:07,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-16 02:58:07,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460755445] [2021-10-16 02:58:07,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:58:07,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:58:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:58:07,349 INFO L87 Difference]: Start difference. First operand 842 states and 1030 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-10-16 02:58:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:07,840 INFO L93 Difference]: Finished difference Result 3214 states and 3960 transitions. [2021-10-16 02:58:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 02:58:07,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 54 [2021-10-16 02:58:07,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:07,858 INFO L225 Difference]: With dead ends: 3214 [2021-10-16 02:58:07,858 INFO L226 Difference]: Without dead ends: 2466 [2021-10-16 02:58:07,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 70.7ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:58:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2021-10-16 02:58:08,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 842. [2021-10-16 02:58:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.2187871581450653) internal successors, (1025), 841 states have internal predecessors, (1025), 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) [2021-10-16 02:58:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1025 transitions. [2021-10-16 02:58:08,009 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1025 transitions. Word has length 54 [2021-10-16 02:58:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:08,010 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1025 transitions. [2021-10-16 02:58:08,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-10-16 02:58:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1025 transitions. [2021-10-16 02:58:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-16 02:58:08,012 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:08,012 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-16 02:58:08,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:08,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:08,225 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:08,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:08,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1991996669, now seen corresponding path program 1 times [2021-10-16 02:58:08,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:08,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489509874] [2021-10-16 02:58:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:08,226 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:08,228 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:08,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 02:58:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:08,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:08,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:08,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:09,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:09,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489509874] [2021-10-16 02:58:09,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489509874] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:09,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [568390100] [2021-10-16 02:58:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:09,168 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:58:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:58:09,171 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:58:09,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-16 02:58:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:09,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:58:09,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-16 02:58:09,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-16 02:58:10,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [568390100] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:10,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:58:10,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-16 02:58:10,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538380313] [2021-10-16 02:58:10,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:58:10,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:10,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:58:10,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:58:10,051 INFO L87 Difference]: Start difference. First operand 842 states and 1025 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-16 02:58:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:10,476 INFO L93 Difference]: Finished difference Result 2947 states and 3625 transitions. [2021-10-16 02:58:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:58:10,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 60 [2021-10-16 02:58:10,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:10,489 INFO L225 Difference]: With dead ends: 2947 [2021-10-16 02:58:10,489 INFO L226 Difference]: Without dead ends: 2199 [2021-10-16 02:58:10,493 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 104.0ms TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:58:10,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2021-10-16 02:58:10,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 869. [2021-10-16 02:58:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 868 states have (on average 1.2119815668202765) internal successors, (1052), 868 states have internal predecessors, (1052), 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) [2021-10-16 02:58:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1052 transitions. [2021-10-16 02:58:10,647 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1052 transitions. Word has length 60 [2021-10-16 02:58:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:10,648 INFO L470 AbstractCegarLoop]: Abstraction has 869 states and 1052 transitions. [2021-10-16 02:58:10,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-16 02:58:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1052 transitions. [2021-10-16 02:58:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-16 02:58:10,650 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:10,650 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-16 02:58:10,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:10,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-10-16 02:58:11,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:58:11,066 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:11,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:11,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1733831231, now seen corresponding path program 1 times [2021-10-16 02:58:11,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:11,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054488813] [2021-10-16 02:58:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:11,067 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:11,068 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:11,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-16 02:58:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:11,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:11,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:11,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:12,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:12,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054488813] [2021-10-16 02:58:12,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054488813] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:12,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [860864245] [2021-10-16 02:58:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:12,003 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:58:12,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:58:12,012 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:58:12,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-16 02:58:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:12,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:12,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:12,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:13,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [860864245] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:13,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341993059] [2021-10-16 02:58:13,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:13,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:58:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:58:13,054 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:58:13,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-16 02:58:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:13,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:13,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:13,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:58:13,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341993059] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:13,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:58:13,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-16 02:58:13,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442677826] [2021-10-16 02:58:13,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:58:13,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:13,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:58:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:58:13,984 INFO L87 Difference]: Start difference. First operand 869 states and 1052 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:58:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:16,557 INFO L93 Difference]: Finished difference Result 5628 states and 6888 transitions. [2021-10-16 02:58:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 02:58:16,558 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-16 02:58:16,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:16,581 INFO L225 Difference]: With dead ends: 5628 [2021-10-16 02:58:16,581 INFO L226 Difference]: Without dead ends: 4853 [2021-10-16 02:58:16,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 279.9ms TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-10-16 02:58:16,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2021-10-16 02:58:16,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 1064. [2021-10-16 02:58:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1063 states have (on average 1.2229539040451551) internal successors, (1300), 1063 states have internal predecessors, (1300), 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) [2021-10-16 02:58:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1300 transitions. [2021-10-16 02:58:16,783 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1300 transitions. Word has length 60 [2021-10-16 02:58:16,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:16,783 INFO L470 AbstractCegarLoop]: Abstraction has 1064 states and 1300 transitions. [2021-10-16 02:58:16,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:58:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1300 transitions. [2021-10-16 02:58:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-16 02:58:16,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:16,786 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-16 02:58:16,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:17,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:17,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-16 02:58:17,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:58:17,401 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1648415651, now seen corresponding path program 1 times [2021-10-16 02:58:17,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:17,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463211342] [2021-10-16 02:58:17,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:17,402 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:17,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:17,403 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:17,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-16 02:58:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:17,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:58:17,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-16 02:58:18,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-16 02:58:18,466 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:18,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463211342] [2021-10-16 02:58:18,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463211342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:18,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:58:18,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:58:18,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262590612] [2021-10-16 02:58:18,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:58:18,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:18,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:58:18,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:58:18,469 INFO L87 Difference]: Start difference. First operand 1064 states and 1300 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-10-16 02:58:18,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:18,637 INFO L93 Difference]: Finished difference Result 2271 states and 2783 transitions. [2021-10-16 02:58:18,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:58:18,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 109 [2021-10-16 02:58:18,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:18,643 INFO L225 Difference]: With dead ends: 2271 [2021-10-16 02:58:18,643 INFO L226 Difference]: Without dead ends: 1213 [2021-10-16 02:58:18,645 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:58:18,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-10-16 02:58:18,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1014. [2021-10-16 02:58:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1013 states have (on average 1.2201382033563672) internal successors, (1236), 1013 states have internal predecessors, (1236), 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) [2021-10-16 02:58:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1236 transitions. [2021-10-16 02:58:18,779 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1236 transitions. Word has length 109 [2021-10-16 02:58:18,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:18,780 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1236 transitions. [2021-10-16 02:58:18,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-10-16 02:58:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1236 transitions. [2021-10-16 02:58:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-16 02:58:18,783 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:18,783 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-16 02:58:18,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-10-16 02:58:18,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:18,997 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:18,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1035911456, now seen corresponding path program 1 times [2021-10-16 02:58:18,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:18,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246892434] [2021-10-16 02:58:18,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:18,999 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:18,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:19,000 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:19,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-10-16 02:58:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:19,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:19,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-16 02:58:20,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-16 02:58:20,365 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:20,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246892434] [2021-10-16 02:58:20,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246892434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:20,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:58:20,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-16 02:58:20,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941158065] [2021-10-16 02:58:20,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-16 02:58:20,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:20,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-16 02:58:20,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:58:20,368 INFO L87 Difference]: Start difference. First operand 1014 states and 1236 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 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) [2021-10-16 02:58:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:23,458 INFO L93 Difference]: Finished difference Result 3063 states and 3718 transitions. [2021-10-16 02:58:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 02:58:23,458 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 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 135 [2021-10-16 02:58:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:23,466 INFO L225 Difference]: With dead ends: 3063 [2021-10-16 02:58:23,466 INFO L226 Difference]: Without dead ends: 2055 [2021-10-16 02:58:23,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 113.4ms TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:58:23,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2021-10-16 02:58:23,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 900. [2021-10-16 02:58:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 899 states have (on average 1.2113459399332591) internal successors, (1089), 899 states have internal predecessors, (1089), 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) [2021-10-16 02:58:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1089 transitions. [2021-10-16 02:58:23,636 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1089 transitions. Word has length 135 [2021-10-16 02:58:23,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:23,636 INFO L470 AbstractCegarLoop]: Abstraction has 900 states and 1089 transitions. [2021-10-16 02:58:23,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 10 states have internal predecessors, (106), 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) [2021-10-16 02:58:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1089 transitions. [2021-10-16 02:58:23,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-16 02:58:23,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:23,644 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-16 02:58:23,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:23,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:23,858 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:23,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:23,859 INFO L82 PathProgramCache]: Analyzing trace with hash -996229845, now seen corresponding path program 1 times [2021-10-16 02:58:23,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:23,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563530893] [2021-10-16 02:58:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:23,860 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:23,860 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:23,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-16 02:58:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:24,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:58:24,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-16 02:58:24,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-16 02:58:25,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:25,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563530893] [2021-10-16 02:58:25,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563530893] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:25,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1710796609] [2021-10-16 02:58:25,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:25,302 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:58:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:58:25,303 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:58:25,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-10-16 02:58:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:26,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-16 02:58:26,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 02:58:26,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 02:58:27,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1710796609] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:58:27,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101841507] [2021-10-16 02:58:27,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:58:27,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:58:27,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:58:27,267 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:58:27,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-16 02:58:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:58:28,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:58:28,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-16 02:58:28,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-16 02:58:29,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101841507] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:58:29,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-16 02:58:29,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-10-16 02:58:29,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469665600] [2021-10-16 02:58:29,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:58:29,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:58:29,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-10-16 02:58:29,012 INFO L87 Difference]: Start difference. First operand 900 states and 1089 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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) [2021-10-16 02:58:32,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:32,709 INFO L93 Difference]: Finished difference Result 3817 states and 4660 transitions. [2021-10-16 02:58:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 02:58:32,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 141 [2021-10-16 02:58:32,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:32,731 INFO L225 Difference]: With dead ends: 3817 [2021-10-16 02:58:32,731 INFO L226 Difference]: Without dead ends: 2923 [2021-10-16 02:58:32,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 572.6ms TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 02:58:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2021-10-16 02:58:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 1018. [2021-10-16 02:58:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 1017 states have (on average 1.2114060963618485) internal successors, (1232), 1017 states have internal predecessors, (1232), 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) [2021-10-16 02:58:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1232 transitions. [2021-10-16 02:58:32,933 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1232 transitions. Word has length 141 [2021-10-16 02:58:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:32,933 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1232 transitions. [2021-10-16 02:58:32,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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) [2021-10-16 02:58:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1232 transitions. [2021-10-16 02:58:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-16 02:58:32,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:58:32,937 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-16 02:58:32,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:33,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-16 02:58:33,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-10-16 02:58:33,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:33,542 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:58:33,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:58:33,542 INFO L82 PathProgramCache]: Analyzing trace with hash 569861295, now seen corresponding path program 2 times [2021-10-16 02:58:33,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:58:33,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348643859] [2021-10-16 02:58:33,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:58:33,543 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:58:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:58:33,544 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:58:33,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-10-16 02:58:36,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:58:36,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:58:36,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:58:36,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:58:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-16 02:58:36,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:58:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-16 02:58:36,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:58:36,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348643859] [2021-10-16 02:58:36,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348643859] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:58:36,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:58:36,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:58:36,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720922911] [2021-10-16 02:58:36,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:58:36,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:58:36,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:58:36,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:58:36,801 INFO L87 Difference]: Start difference. First operand 1018 states and 1232 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-10-16 02:58:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:58:36,880 INFO L93 Difference]: Finished difference Result 1329 states and 1599 transitions. [2021-10-16 02:58:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:58:36,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 141 [2021-10-16 02:58:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:58:36,881 INFO L225 Difference]: With dead ends: 1329 [2021-10-16 02:58:36,881 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:58:36,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 43.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:58:36,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:58:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:58:36,883 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) [2021-10-16 02:58:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:58:36,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2021-10-16 02:58:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:58:36,884 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:58:36,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-10-16 02:58:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:58:36,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:58:36,887 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:58:36,888 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:58:36,888 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:58:36,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-10-16 02:58:37,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:58:37,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:58:37,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:37,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:37,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:37,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:38,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:40,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:41,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:42,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:43,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:43,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:43,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:43,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:58:43,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:59:02,038 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 493 501) the Hoare annotation is: false [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498-2(lines 493 501) the Hoare annotation is: false [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498-3(lines 493 501) the Hoare annotation is: false [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498-4(lines 493 501) the Hoare annotation is: false [2021-10-16 02:59:02,039 INFO L853 garLoopResultBuilder]: At program point L498-5(lines 493 501) the Hoare annotation is: false [2021-10-16 02:59:02,039 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2021-10-16 02:59:02,039 INFO L857 garLoopResultBuilder]: For program point L267-1(lines 267 284) no Hoare annotation was computed. [2021-10-16 02:59:02,039 INFO L857 garLoopResultBuilder]: For program point L267-2(lines 267 284) no Hoare annotation was computed. [2021-10-16 02:59:02,039 INFO L860 garLoopResultBuilder]: At program point L994(lines 975 997) the Hoare annotation is: true [2021-10-16 02:59:02,040 INFO L853 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-3(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-5(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-6(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-8(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-9(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-11(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-12(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-14(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-15(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,040 INFO L857 garLoopResultBuilder]: For program point L369-17(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-18(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-20(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-21(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-23(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-24(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-26(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-27(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,041 INFO L857 garLoopResultBuilder]: For program point L369-29(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L369-30(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L369-32(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L369-33(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L271-1(lines 271 279) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L369-35(lines 369 373) no Hoare annotation was computed. [2021-10-16 02:59:02,042 INFO L857 garLoopResultBuilder]: For program point L271-2(lines 271 279) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point L406-3(lines 406 410) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,043 INFO L857 garLoopResultBuilder]: For program point L241-1(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L857 garLoopResultBuilder]: For program point L406-6(lines 406 410) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L857 garLoopResultBuilder]: For program point L241-2(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L857 garLoopResultBuilder]: For program point L241-3(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L857 garLoopResultBuilder]: For program point L241-4(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L857 garLoopResultBuilder]: For program point L241-5(lines 241 258) no Hoare annotation was computed. [2021-10-16 02:59:02,044 INFO L853 garLoopResultBuilder]: At program point L375(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-1(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-2(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-3(lines 360 378) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse11 .cse12 .cse3 .cse13 .cse14 .cse8) (and .cse0 .cse1 .cse11 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse12 .cse3 .cse13 .cse14 .cse6 .cse8))) [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-4(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-5(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,045 INFO L853 garLoopResultBuilder]: At program point L375-6(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L375-7(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L375-8(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L375-9(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L375-10(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L375-11(lines 360 378) the Hoare annotation is: false [2021-10-16 02:59:02,046 INFO L853 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse3 .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-16 02:59:02,047 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 470 478) the Hoare annotation is: false [2021-10-16 02:59:02,047 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 470 478) the Hoare annotation is: false [2021-10-16 02:59:02,047 INFO L857 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2021-10-16 02:59:02,047 INFO L853 garLoopResultBuilder]: At program point L443(lines 438 446) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-16 02:59:02,047 INFO L853 garLoopResultBuilder]: At program point L443-1(lines 438 446) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse9 .cse7 .cse8 .cse10) (and .cse1 .cse11 .cse12 .cse5 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse12 .cse5 .cse6))) [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L443-2(lines 438 446) the Hoare annotation is: false [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L443-3(lines 438 446) the Hoare annotation is: false [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L311(lines 304 314) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 .cse5 .cse6))) [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L443-4(lines 438 446) the Hoare annotation is: false [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L311-1(lines 304 314) the Hoare annotation is: false [2021-10-16 02:59:02,048 INFO L853 garLoopResultBuilder]: At program point L443-5(lines 438 446) the Hoare annotation is: false [2021-10-16 02:59:02,049 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,049 INFO L853 garLoopResultBuilder]: At program point L311-2(lines 304 314) the Hoare annotation is: false [2021-10-16 02:59:02,049 INFO L857 garLoopResultBuilder]: For program point L245-1(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,049 INFO L857 garLoopResultBuilder]: For program point L245-2(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,049 INFO L857 garLoopResultBuilder]: For program point L245-3(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,049 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L245-4(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L245-5(lines 245 253) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L147-2(lines 183 189) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L512-2(lines 512 532) no Hoare annotation was computed. [2021-10-16 02:59:02,050 INFO L857 garLoopResultBuilder]: For program point L512-4(lines 512 532) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215-3(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,051 INFO L857 garLoopResultBuilder]: For program point L215-5(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-6(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-7(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-8(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-9(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-10(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L857 garLoopResultBuilder]: For program point L215-11(lines 215 232) no Hoare annotation was computed. [2021-10-16 02:59:02,052 INFO L853 garLoopResultBuilder]: At program point L183(lines 182 201) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse9 .cse10 .cse5) (and .cse0 .cse3 .cse9 .cse5 .cse4) (and .cse6 .cse0 .cse7 .cse2 .cse8 .cse3 .cse9 .cse10) (and .cse0 .cse2 .cse3 .cse9 .cse4))) [2021-10-16 02:59:02,053 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2021-10-16 02:59:02,053 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 182 201) the Hoare annotation is: false [2021-10-16 02:59:02,053 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 997) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:59:02,053 INFO L853 garLoopResultBuilder]: At program point L183-3(lines 182 201) the Hoare annotation is: false [2021-10-16 02:59:02,053 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:59:02,053 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-2(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-3(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-4(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-5(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-6(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,054 INFO L857 garLoopResultBuilder]: For program point L483-7(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L483-8(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L483-9(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,055 INFO L857 garLoopResultBuilder]: For program point L483-10(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L219-3(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L483-11(lines 483 489) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L219-4(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L219-5(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L219-6(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,056 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L219-7(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L219-8(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L219-9(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L219-10(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L219-11(lines 219 227) no Hoare annotation was computed. [2021-10-16 02:59:02,057 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-10-16 02:59:02,058 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2021-10-16 02:59:02,058 INFO L853 garLoopResultBuilder]: At program point L121-1(lines 121 127) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) .cse2 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse8) (and .cse0 .cse9 .cse3 .cse10 .cse11 .cse12 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse9 .cse7 .cse3 .cse8 .cse11 .cse12) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse0 .cse1 .cse9 .cse3 .cse11 .cse12 .cse4))) [2021-10-16 02:59:02,058 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: false [2021-10-16 02:59:02,058 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2021-10-16 02:59:02,058 INFO L853 garLoopResultBuilder]: At program point L518-1(lines 1 997) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse8 .cse9 .cse1 .cse10 .cse2 .cse11 .cse4 .cse5) (and .cse0 .cse12 .cse2 .cse3 .cse6) (and .cse7 .cse0 .cse8 .cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) .cse12 .cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse11 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-16 02:59:02,059 INFO L857 garLoopResultBuilder]: For program point L518-2(lines 518 531) no Hoare annotation was computed. [2021-10-16 02:59:02,059 INFO L853 garLoopResultBuilder]: At program point L518-3(lines 1 997) the Hoare annotation is: false [2021-10-16 02:59:02,059 INFO L857 garLoopResultBuilder]: For program point L518-4(lines 518 531) no Hoare annotation was computed. [2021-10-16 02:59:02,059 INFO L853 garLoopResultBuilder]: At program point L518-5(lines 1 997) the Hoare annotation is: false [2021-10-16 02:59:02,059 INFO L853 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~6 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-16 02:59:02,059 INFO L853 garLoopResultBuilder]: At program point L320-1(lines 315 323) the Hoare annotation is: false [2021-10-16 02:59:02,060 INFO L853 garLoopResultBuilder]: At program point L320-2(lines 315 323) the Hoare annotation is: false [2021-10-16 02:59:02,060 INFO L857 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2021-10-16 02:59:02,060 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,060 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,060 INFO L857 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,060 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:59:02,061 INFO L857 garLoopResultBuilder]: For program point L388-5(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,061 INFO L853 garLoopResultBuilder]: At program point L190(lines 190 196) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse6 .cse8 .cse9 .cse10) (and .cse1 .cse4 .cse6 .cse8 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse9))) [2021-10-16 02:59:02,061 INFO L857 garLoopResultBuilder]: For program point L388-6(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,061 INFO L853 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2021-10-16 02:59:02,061 INFO L853 garLoopResultBuilder]: At program point L190-1(lines 190 196) the Hoare annotation is: false [2021-10-16 02:59:02,061 INFO L857 garLoopResultBuilder]: For program point L388-8(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L853 garLoopResultBuilder]: At program point L190-2(lines 190 196) the Hoare annotation is: false [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-9(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-11(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-12(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-14(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-15(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,062 INFO L857 garLoopResultBuilder]: For program point L388-17(lines 388 392) no Hoare annotation was computed. [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488-1(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488-2(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488-3(lines 479 492) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse8 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse8 .cse5))) [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488-4(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,063 INFO L853 garLoopResultBuilder]: At program point L488-5(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-6(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-7(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-8(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-9(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-10(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,064 INFO L853 garLoopResultBuilder]: At program point L488-11(lines 479 492) the Hoare annotation is: false [2021-10-16 02:59:02,065 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L918-1(lines 183 189) no Hoare annotation was computed. [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L522-2(lines 522 528) no Hoare annotation was computed. [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L522-4(lines 522 528) no Hoare annotation was computed. [2021-10-16 02:59:02,065 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2021-10-16 02:59:02,066 INFO L860 garLoopResultBuilder]: At program point L985-1(lines 985 992) the Hoare annotation is: true [2021-10-16 02:59:02,066 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:59:02,066 INFO L853 garLoopResultBuilder]: At program point L394(lines 379 397) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-16 02:59:02,066 INFO L853 garLoopResultBuilder]: At program point L394-1(lines 379 397) the Hoare annotation is: false [2021-10-16 02:59:02,066 INFO L853 garLoopResultBuilder]: At program point L394-2(lines 379 397) the Hoare annotation is: false [2021-10-16 02:59:02,066 INFO L853 garLoopResultBuilder]: At program point L394-3(lines 379 397) the Hoare annotation is: false [2021-10-16 02:59:02,067 INFO L853 garLoopResultBuilder]: At program point L394-4(lines 379 397) the Hoare annotation is: false [2021-10-16 02:59:02,067 INFO L853 garLoopResultBuilder]: At program point L394-5(lines 379 397) the Hoare annotation is: false [2021-10-16 02:59:02,067 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2021-10-16 02:59:02,067 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse3 .cse9 .cse4) (and .cse0 .cse3 .cse10 .cse9 .cse4) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse3 .cse8 .cse9))) [2021-10-16 02:59:02,067 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:59:02,067 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 02:59:02,068 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-16 02:59:02,072 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:59:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:59:02 BoogieIcfgContainer [2021-10-16 02:59:02,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:59:02,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:59:02,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:59:02,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:59:02,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:57:42" (3/4) ... [2021-10-16 02:59:02,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:59:02,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 02:59:02,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 02:59:02,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 02:59:02,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 02:59:02,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:59:02,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:59:02,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:59:02,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == tmp___0) && 2bv32 == \result) [2021-10-16 02:59:02,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:59:02,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-16 02:59:02,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:59:02,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-16 02:59:02,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) [2021-10-16 02:59:02,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-16 02:59:02,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && \result == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) [2021-10-16 02:59:02,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == \result) [2021-10-16 02:59:02,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:59:02,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:59:02,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == tmp___0) && 2bv32 == \result) && 1bv32 == \result [2021-10-16 02:59:02,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-10-16 02:59:02,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && tmp___0 == 1bv32 [2021-10-16 02:59:02,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:59:02,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:59:02,268 INFO L168 Benchmark]: Toolchain (without parser) took 83594.21 ms. Allocated memory was 71.3 MB in the beginning and 352.3 MB in the end (delta: 281.0 MB). Free memory was 51.8 MB in the beginning and 246.2 MB in the end (delta: -194.4 MB). Peak memory consumption was 85.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,268 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 71.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:59:02,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 40.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.52 ms. Allocated memory is still 71.3 MB. Free memory was 40.5 MB in the beginning and 35.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,270 INFO L168 Benchmark]: Boogie Preprocessor took 90.26 ms. Allocated memory is still 71.3 MB. Free memory was 35.5 MB in the beginning and 32.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,270 INFO L168 Benchmark]: RCFGBuilder took 2780.47 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 32.0 MB in the beginning and 64.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,270 INFO L168 Benchmark]: TraceAbstraction took 79711.43 ms. Allocated memory was 102.8 MB in the beginning and 352.3 MB in the end (delta: 249.6 MB). Free memory was 63.7 MB in the beginning and 260.9 MB in the end (delta: -197.2 MB). Peak memory consumption was 228.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,271 INFO L168 Benchmark]: Witness Printer took 158.13 ms. Allocated memory is still 352.3 MB. Free memory was 260.9 MB in the beginning and 246.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:59:02,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 71.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 713.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 40.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.52 ms. Allocated memory is still 71.3 MB. Free memory was 40.5 MB in the beginning and 35.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.26 ms. Allocated memory is still 71.3 MB. Free memory was 35.5 MB in the beginning and 32.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2780.47 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 32.0 MB in the beginning and 64.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 79711.43 ms. Allocated memory was 102.8 MB in the beginning and 352.3 MB in the end (delta: 249.6 MB). Free memory was 63.7 MB in the beginning and 260.9 MB in the end (delta: -197.2 MB). Peak memory consumption was 228.5 MB. Max. memory is 16.1 GB. * Witness Printer took 158.13 ms. Allocated memory is still 352.3 MB. Free memory was 260.9 MB in the beginning and 246.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 79608.1ms, OverallIterations: 20, TraceHistogramMax: 5, EmptinessCheckTime: 56.2ms, AutomataDifference: 22364.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 24945.1ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2826 SDtfs, 6687 SDslu, 7795 SDs, 0 SdLazy, 1174 SolverSat, 236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17136.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3529 GetRequests, 3342 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1786.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=16, InterpolantAutomatonStates: 171, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1725.1ms AutomataMinimizationTime, 20 MinimizatonAttempts, 13769 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 177 NumberOfFragments, 1238 HoareAnnotationTreeSize, 69 FomulaSimplifications, 6757006802 FormulaSimplificationTreeSizeReduction, 6220.9ms HoareSimplificationTime, 69 FomulaSimplificationsInter, 777271236 FormulaSimplificationTreeSizeReductionInter, 18699.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 591.2ms SsaConstructionTime, 4722.9ms SatisfiabilityAnalysisTime, 10990.9ms InterpolantComputationTime, 1735 NumberOfCodeBlocks, 1735 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3416 ConstructedInterpolants, 0 QuantifiedInterpolants, 7096 SizeOfPredicates, 74 NumberOfNonLiveVariables, 6977 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 54 InterpolantComputations, 35 PerfectInterpolantSequences, 2216/2720 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: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == tmp___0) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && 2bv32 == tmp___0) && 2bv32 == \result) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32)) || ((((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && \result == 1bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((\result == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:59:02,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77ef594-1f99-4b59-9594-1252d73cb85a/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...