./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:32:09,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:32:09,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:32:09,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:32:09,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:32:09,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:32:09,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:32:09,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:32:09,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:32:09,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:32:09,768 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:32:09,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:32:09,768 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:32:09,768 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:32:09,768 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:32:09,769 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:32:09,769 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:32:09,769 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:32:09,769 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:32:09,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:32:09,769 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:32:09,770 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:32:09,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:32:09,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:32:09,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:32:09,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:32:09,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:32:09,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:32:09,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:32:09,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:32:09,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:32:09,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:32:09,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:32:09,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:32:09,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:32:09,774 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2024-11-13 23:32:10,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:32:10,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:32:10,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:32:10,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:32:10,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:32:10,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 23:32:12,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:32:12,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:32:12,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-13 23:32:12,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/8beeef565/daa994c036074f848e8bb91930e46553/FLAG1bbec524d [2024-11-13 23:32:12,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/8beeef565/daa994c036074f848e8bb91930e46553 [2024-11-13 23:32:12,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:32:12,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:32:12,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:32:12,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:32:12,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:32:12,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:12" (1/1) ... [2024-11-13 23:32:12,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d23f70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:12, skipping insertion in model container [2024-11-13 23:32:12,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:12" (1/1) ... [2024-11-13 23:32:12,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:32:14,171 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3036) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:32:14,179 INFO L158 Benchmark]: Toolchain (without parser) took 1456.42ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:32:14,180 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:32:14,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1452.91ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:32:14,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1452.91ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 92.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:32:16,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:32:17,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:32:17,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:32:17,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:32:17,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:32:17,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:32:17,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:32:17,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:32:17,123 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:32:17,123 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:32:17,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:32:17,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:32:17,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:32:17,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:32:17,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:32:17,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:32:17,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:32:17,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:32:17,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:32:17,126 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:32:17,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:17,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:32:17,127 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:32:17,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2024-11-13 23:32:17,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:32:17,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:32:17,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:32:17,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:32:17,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:32:17,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 23:32:19,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:32:19,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:32:19,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-13 23:32:20,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/de8083a2f/c4f5f1fd02584bf5a05205551d28921a/FLAG33e5449a5 [2024-11-13 23:32:20,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/data/de8083a2f/c4f5f1fd02584bf5a05205551d28921a [2024-11-13 23:32:20,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:32:20,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:32:20,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:32:20,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:32:20,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:32:20,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:20" (1/1) ... [2024-11-13 23:32:20,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59607fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:20, skipping insertion in model container [2024-11-13 23:32:20,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:32:20" (1/1) ... [2024-11-13 23:32:20,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:32:21,514 WARN L250 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_2367028b-566b-4d12-b9d3-67dfad374f9a/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2024-11-13 23:32:21,994 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 23:32:22,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:32:22,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:32:22,110 WARN L250 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_2367028b-566b-4d12-b9d3-67dfad374f9a/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2024-11-13 23:32:22,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:32:22,612 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:32:22,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22 WrapperNode [2024-11-13 23:32:22,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:32:22,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:32:22,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:32:22,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:32:22,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,749 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-11-13 23:32:22,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:32:22,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:32:22,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:32:22,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:32:22,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:32:22,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:32:22,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:32:22,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:32:22,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (1/1) ... [2024-11-13 23:32:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:32:22,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:32:22,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:32:22,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:32:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:32:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 23:32:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:32:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:32:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:32:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 23:32:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 23:32:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:32:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:32:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-13 23:32:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-13 23:32:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 23:32:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:32:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-13 23:32:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-13 23:32:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:32:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:32:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:32:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-13 23:32:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-13 23:32:23,334 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:32:23,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:32:45,083 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-13 23:32:45,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:32:45,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:32:45,113 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-13 23:32:45,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:45 BoogieIcfgContainer [2024-11-13 23:32:45,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:32:45,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:32:45,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:32:45,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:32:45,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:32:20" (1/3) ... [2024-11-13 23:32:45,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5da333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:32:45, skipping insertion in model container [2024-11-13 23:32:45,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:32:22" (2/3) ... [2024-11-13 23:32:45,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5da333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:32:45, skipping insertion in model container [2024-11-13 23:32:45,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:32:45" (3/3) ... [2024-11-13 23:32:45,133 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-13 23:32:45,153 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:32:45,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i that has 6 procedures, 183 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-13 23:32:45,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:32:45,262 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55ce1505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:32:45,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:32:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 23:32:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 23:32:45,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:32:45,302 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:32:45,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:32:45,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:32:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1657992496, now seen corresponding path program 1 times [2024-11-13 23:32:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:32:45,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934280184] [2024-11-13 23:32:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:45,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:32:45,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:32:45,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:32:45,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 23:32:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:49,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:32:49,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 23:32:49,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:32:49,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:32:49,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934280184] [2024-11-13 23:32:49,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934280184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:32:49,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:32:49,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:32:49,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586055017] [2024-11-13 23:32:49,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:32:49,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:32:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:32:49,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:32:49,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:32:49,149 INFO L87 Difference]: Start difference. First operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 23:32:49,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:32:49,249 INFO L93 Difference]: Finished difference Result 363 states and 607 transitions. [2024-11-13 23:32:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:32:49,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 133 [2024-11-13 23:32:49,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:32:49,269 INFO L225 Difference]: With dead ends: 363 [2024-11-13 23:32:49,269 INFO L226 Difference]: Without dead ends: 179 [2024-11-13 23:32:49,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:32:49,289 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:32:49,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:32:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-13 23:32:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-13 23:32:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 23:32:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 250 transitions. [2024-11-13 23:32:49,387 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 250 transitions. Word has length 133 [2024-11-13 23:32:49,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:32:49,389 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 250 transitions. [2024-11-13 23:32:49,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 23:32:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 250 transitions. [2024-11-13 23:32:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 23:32:49,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:32:49,407 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:32:49,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 23:32:49,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:32:49,612 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:32:49,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:32:49,613 INFO L85 PathProgramCache]: Analyzing trace with hash -871996458, now seen corresponding path program 1 times [2024-11-13 23:32:49,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:32:49,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796300300] [2024-11-13 23:32:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:49,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:32:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:32:49,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:32:49,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 23:32:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:53,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 1795 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:32:53,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 23:32:54,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:32:54,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:32:54,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796300300] [2024-11-13 23:32:54,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796300300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:32:54,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:32:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:32:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537911836] [2024-11-13 23:32:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:32:54,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:32:54,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:32:54,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:32:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:32:54,727 INFO L87 Difference]: Start difference. First operand 179 states and 250 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:32:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:32:55,791 INFO L93 Difference]: Finished difference Result 359 states and 505 transitions. [2024-11-13 23:32:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:32:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-13 23:32:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:32:55,796 INFO L225 Difference]: With dead ends: 359 [2024-11-13 23:32:55,797 INFO L226 Difference]: Without dead ends: 185 [2024-11-13 23:32:55,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:32:55,799 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 213 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:32:55,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 749 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 23:32:55,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-13 23:32:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-13 23:32:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:32:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:32:55,826 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 133 [2024-11-13 23:32:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:32:55,826 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:32:55,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:32:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:32:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 23:32:55,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:32:55,834 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:32:55,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 23:32:56,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:32:56,035 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:32:56,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:32:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash -356521725, now seen corresponding path program 1 times [2024-11-13 23:32:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:32:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179786171] [2024-11-13 23:32:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:32:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:32:56,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:32:56,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:32:56,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 23:33:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:00,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:00,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 23:33:00,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:00,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:00,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179786171] [2024-11-13 23:33:00,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179786171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:00,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:00,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:00,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554187860] [2024-11-13 23:33:00,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:00,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:00,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:00,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:00,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:00,826 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:01,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:01,675 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-13 23:33:01,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:01,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 138 [2024-11-13 23:33:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:01,679 INFO L225 Difference]: With dead ends: 371 [2024-11-13 23:33:01,679 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 23:33:01,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:01,681 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 335 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:01,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 758 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 23:33:01,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 23:33:01,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-13 23:33:01,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:33:01,707 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 138 [2024-11-13 23:33:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:01,707 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:33:01,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:33:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 23:33:01,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:01,711 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:01,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:01,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:01,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:01,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash -664384435, now seen corresponding path program 1 times [2024-11-13 23:33:01,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:01,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945182148] [2024-11-13 23:33:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:01,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:01,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:01,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:01,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 23:33:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:05,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:05,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 23:33:06,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:06,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:06,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945182148] [2024-11-13 23:33:06,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945182148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:06,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:06,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:06,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382062488] [2024-11-13 23:33:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:06,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:06,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:06,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:06,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:06,558 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:07,582 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-13 23:33:07,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:07,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 148 [2024-11-13 23:33:07,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:07,588 INFO L225 Difference]: With dead ends: 371 [2024-11-13 23:33:07,589 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 23:33:07,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:07,595 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 334 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:07,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 758 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 23:33:07,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 23:33:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-13 23:33:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:33:07,646 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 148 [2024-11-13 23:33:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:07,650 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:33:07,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:33:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 23:33:07,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:07,658 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:07,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 23:33:07,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:07,859 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:07,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:07,860 INFO L85 PathProgramCache]: Analyzing trace with hash 93182992, now seen corresponding path program 1 times [2024-11-13 23:33:07,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343538426] [2024-11-13 23:33:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:07,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:07,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:07,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 23:33:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:11,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:11,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-13 23:33:12,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:12,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:12,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343538426] [2024-11-13 23:33:12,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343538426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:12,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:12,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:12,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775111441] [2024-11-13 23:33:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:12,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:12,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:12,618 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:13,492 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-13 23:33:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:13,494 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), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 153 [2024-11-13 23:33:13,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:13,496 INFO L225 Difference]: With dead ends: 371 [2024-11-13 23:33:13,497 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 23:33:13,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:13,500 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 333 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:13,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 758 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 23:33:13,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 23:33:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-13 23:33:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:33:13,521 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 153 [2024-11-13 23:33:13,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:13,521 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:33:13,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:33:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 23:33:13,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:13,526 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:13,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-13 23:33:13,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:13,727 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:13,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:13,727 INFO L85 PathProgramCache]: Analyzing trace with hash -511995474, now seen corresponding path program 1 times [2024-11-13 23:33:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:13,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082085101] [2024-11-13 23:33:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:13,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:13,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:13,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:13,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 23:33:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:17,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:17,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-13 23:33:18,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:18,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:18,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082085101] [2024-11-13 23:33:18,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082085101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:18,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:18,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:18,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201596590] [2024-11-13 23:33:18,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:18,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:18,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:18,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:18,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:18,044 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:19,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:19,073 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-13 23:33:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 158 [2024-11-13 23:33:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:19,077 INFO L225 Difference]: With dead ends: 371 [2024-11-13 23:33:19,077 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 23:33:19,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:19,080 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 337 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:19,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 753 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 23:33:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 23:33:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-13 23:33:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:33:19,098 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 158 [2024-11-13 23:33:19,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:19,098 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:33:19,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:33:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 23:33:19,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:19,102 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:19,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 23:33:19,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:19,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:19,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:19,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1394329334, now seen corresponding path program 1 times [2024-11-13 23:33:19,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:19,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770314301] [2024-11-13 23:33:19,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:19,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:19,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:19,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-13 23:33:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:23,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:33:23,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 23:33:24,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:24,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:24,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770314301] [2024-11-13 23:33:24,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770314301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:24,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:24,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142805608] [2024-11-13 23:33:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:24,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:24,503 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:25,545 INFO L93 Difference]: Finished difference Result 371 states and 519 transitions. [2024-11-13 23:33:25,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:25,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 153 [2024-11-13 23:33:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:25,549 INFO L225 Difference]: With dead ends: 371 [2024-11-13 23:33:25,550 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 23:33:25,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:25,553 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 329 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:25,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 703 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 23:33:25,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 23:33:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-13 23:33:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 257 transitions. [2024-11-13 23:33:25,586 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 257 transitions. Word has length 153 [2024-11-13 23:33:25,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:25,586 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 257 transitions. [2024-11-13 23:33:25,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 23:33:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2024-11-13 23:33:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 23:33:25,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:25,591 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:25,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-13 23:33:25,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:25,799 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:25,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1767689066, now seen corresponding path program 1 times [2024-11-13 23:33:25,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979829688] [2024-11-13 23:33:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:25,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:25,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:25,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-13 23:33:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:30,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:30,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-13 23:33:31,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:31,905 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:31,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979829688] [2024-11-13 23:33:31,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979829688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:31,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:31,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:31,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956160985] [2024-11-13 23:33:31,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:31,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:31,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:31,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:31,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:31,907 INFO L87 Difference]: Start difference. First operand 185 states and 257 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:32,707 INFO L93 Difference]: Finished difference Result 196 states and 268 transitions. [2024-11-13 23:33:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:32,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 157 [2024-11-13 23:33:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:32,709 INFO L225 Difference]: With dead ends: 196 [2024-11-13 23:33:32,710 INFO L226 Difference]: Without dead ends: 182 [2024-11-13 23:33:32,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:32,710 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 197 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:32,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 755 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:33:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-13 23:33:32,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-13 23:33:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 161 states have internal predecessors, (223), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2024-11-13 23:33:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 252 transitions. [2024-11-13 23:33:32,729 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 252 transitions. Word has length 157 [2024-11-13 23:33:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:32,730 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 252 transitions. [2024-11-13 23:33:32,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 252 transitions. [2024-11-13 23:33:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-13 23:33:32,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:32,733 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:32,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-13 23:33:32,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:32,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:32,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2097228815, now seen corresponding path program 1 times [2024-11-13 23:33:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348125883] [2024-11-13 23:33:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:32,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-13 23:33:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:36,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:36,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-13 23:33:38,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:38,511 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:38,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348125883] [2024-11-13 23:33:38,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348125883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:38,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:38,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:38,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435095655] [2024-11-13 23:33:38,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:38,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:38,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:38,513 INFO L87 Difference]: Start difference. First operand 182 states and 252 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:39,195 INFO L93 Difference]: Finished difference Result 187 states and 256 transitions. [2024-11-13 23:33:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 163 [2024-11-13 23:33:39,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:39,198 INFO L225 Difference]: With dead ends: 187 [2024-11-13 23:33:39,198 INFO L226 Difference]: Without dead ends: 182 [2024-11-13 23:33:39,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:39,199 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 193 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:39,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 742 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:33:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-13 23:33:39,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-13 23:33:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 161 states have internal predecessors, (223), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-13 23:33:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-13 23:33:39,222 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 163 [2024-11-13 23:33:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:39,222 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-13 23:33:39,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-13 23:33:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 23:33:39,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:39,226 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:39,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-13 23:33:39,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:39,429 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:39,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:39,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1344225999, now seen corresponding path program 1 times [2024-11-13 23:33:39,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333190581] [2024-11-13 23:33:39,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:39,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:39,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-13 23:33:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:43,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:43,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-13 23:33:45,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:45,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:45,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333190581] [2024-11-13 23:33:45,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333190581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:45,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:45,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:45,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035554471] [2024-11-13 23:33:45,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:45,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:45,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:45,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:45,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:45,433 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:46,242 INFO L93 Difference]: Finished difference Result 193 states and 262 transitions. [2024-11-13 23:33:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:46,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 158 [2024-11-13 23:33:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:46,245 INFO L225 Difference]: With dead ends: 193 [2024-11-13 23:33:46,245 INFO L226 Difference]: Without dead ends: 179 [2024-11-13 23:33:46,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:46,246 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 318 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:46,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 736 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:33:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-13 23:33:46,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-13 23:33:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 158 states have (on average 1.379746835443038) internal successors, (218), 158 states have internal predecessors, (218), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-13 23:33:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2024-11-13 23:33:46,275 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 158 [2024-11-13 23:33:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:46,276 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2024-11-13 23:33:46,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2024-11-13 23:33:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 23:33:46,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:46,280 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:46,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-13 23:33:46,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:46,480 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:46,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:46,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1232064111, now seen corresponding path program 1 times [2024-11-13 23:33:46,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:46,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250031300] [2024-11-13 23:33:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:46,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:46,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:46,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:46,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-13 23:33:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:51,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:51,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 23:33:52,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:52,872 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:52,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250031300] [2024-11-13 23:33:52,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250031300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:52,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:52,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454523541] [2024-11-13 23:33:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:52,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:52,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:52,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:52,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:52,874 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:33:53,621 INFO L93 Difference]: Finished difference Result 190 states and 257 transitions. [2024-11-13 23:33:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:33:53,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 160 [2024-11-13 23:33:53,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:33:53,624 INFO L225 Difference]: With dead ends: 190 [2024-11-13 23:33:53,624 INFO L226 Difference]: Without dead ends: 176 [2024-11-13 23:33:53,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:33:53,626 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 187 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 23:33:53,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 717 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 23:33:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-13 23:33:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-13 23:33:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-13 23:33:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 241 transitions. [2024-11-13 23:33:53,649 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 241 transitions. Word has length 160 [2024-11-13 23:33:53,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:33:53,650 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 241 transitions. [2024-11-13 23:33:53,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:33:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 241 transitions. [2024-11-13 23:33:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-13 23:33:53,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:33:53,654 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:33:53,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:53,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:53,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:33:53,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:33:53,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1702750896, now seen corresponding path program 1 times [2024-11-13 23:33:53,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:33:53,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471524177] [2024-11-13 23:33:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:33:53,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:33:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:33:53,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:33:53,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-13 23:33:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:58,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:33:58,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 23:33:59,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:33:59,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:33:59,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471524177] [2024-11-13 23:33:59,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471524177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:33:59,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:33:59,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:33:59,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411654562] [2024-11-13 23:33:59,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:33:59,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:33:59,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:33:59,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:33:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:33:59,980 INFO L87 Difference]: Start difference. First operand 176 states and 241 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:34:00,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:34:00,873 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2024-11-13 23:34:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:34:00,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 161 [2024-11-13 23:34:00,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:34:00,877 INFO L225 Difference]: With dead ends: 187 [2024-11-13 23:34:00,877 INFO L226 Difference]: Without dead ends: 173 [2024-11-13 23:34:00,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:34:00,878 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 183 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:34:00,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 698 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 23:34:00,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-13 23:34:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-13 23:34:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 152 states have (on average 1.368421052631579) internal successors, (208), 152 states have internal predecessors, (208), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-13 23:34:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 236 transitions. [2024-11-13 23:34:00,894 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 236 transitions. Word has length 161 [2024-11-13 23:34:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:34:00,895 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 236 transitions. [2024-11-13 23:34:00,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:34:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 236 transitions. [2024-11-13 23:34:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 23:34:00,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:00,897 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:00,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-13 23:34:01,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:01,098 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:01,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:01,098 INFO L85 PathProgramCache]: Analyzing trace with hash -999703234, now seen corresponding path program 1 times [2024-11-13 23:34:01,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:34:01,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303249048] [2024-11-13 23:34:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:01,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:01,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:34:01,104 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:34:01,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-13 23:34:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:05,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:34:05,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-13 23:34:06,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:34:06,982 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:34:06,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303249048] [2024-11-13 23:34:06,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303249048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:34:06,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:34:06,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 23:34:06,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827078744] [2024-11-13 23:34:06,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:34:06,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:34:06,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:34:06,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:34:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:34:06,984 INFO L87 Difference]: Start difference. First operand 173 states and 236 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:34:07,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:34:07,686 INFO L93 Difference]: Finished difference Result 184 states and 247 transitions. [2024-11-13 23:34:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:34:07,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 162 [2024-11-13 23:34:07,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:34:07,689 INFO L225 Difference]: With dead ends: 184 [2024-11-13 23:34:07,689 INFO L226 Difference]: Without dead ends: 167 [2024-11-13 23:34:07,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:34:07,690 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 307 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:34:07,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 674 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 23:34:07,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-13 23:34:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-13 23:34:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 146 states have (on average 1.356164383561644) internal successors, (198), 146 states have internal predecessors, (198), 13 states have call successors, (13), 5 states have call predecessors, (13), 7 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-13 23:34:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 226 transitions. [2024-11-13 23:34:07,706 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 226 transitions. Word has length 162 [2024-11-13 23:34:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:34:07,707 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 226 transitions. [2024-11-13 23:34:07,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 23:34:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2024-11-13 23:34:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 23:34:07,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:34:07,709 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:34:07,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:07,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:07,909 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:34:07,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:34:07,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1914547446, now seen corresponding path program 1 times [2024-11-13 23:34:07,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:34:07,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537995313] [2024-11-13 23:34:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:34:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:34:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:34:07,913 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:34:07,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2367028b-566b-4d12-b9d3-67dfad374f9a/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-13 23:34:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:18,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 23:34:18,793 INFO L278 TraceCheckSpWp]: Computing forward predicates...