./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.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_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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_0d2ae50e-e702-4767-be85-abee13e060e3/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 668c3d29f0a14ccecf35b444f72a49f01cee2db46af2286bf0337ec5fa57071d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:52:24,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:52:24,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:52:24,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:52:24,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:52:24,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:52:24,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:52:24,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:52:24,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:52:24,963 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:52:24,963 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:52:24,964 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:52:24,964 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:52:24,964 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:52:24,964 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:52:24,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:52:24,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:52:24,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:52:24,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:52:24,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:52:24,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:52:24,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:52:24,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:52:24,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:52:24,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:52:24,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:52:24,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:52:24,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:52:24,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:52:24,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:52:24,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:52:24,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:52:24,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:24,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:52:24,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:52:24,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:52:24,969 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_0d2ae50e-e702-4767-be85-abee13e060e3/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 -> 668c3d29f0a14ccecf35b444f72a49f01cee2db46af2286bf0337ec5fa57071d [2024-11-14 02:52:25,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:52:25,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:52:25,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:52:25,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:52:25,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:52:25,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 02:52:27,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:52:28,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:52:28,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i [2024-11-14 02:52:28,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/2b3b9e1b8/c8145d8d7cd04c7ca5de5e7cb2b6302c/FLAGabaa777a7 [2024-11-14 02:52:28,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/2b3b9e1b8/c8145d8d7cd04c7ca5de5e7cb2b6302c [2024-11-14 02:52:28,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:52:28,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:52:28,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:28,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:52:28,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:52:28,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:28" (1/1) ... [2024-11-14 02:52:28,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab49be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:28, skipping insertion in model container [2024-11-14 02:52:28,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:28" (1/1) ... [2024-11-14 02:52:28,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:52:30,252 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 02:52:30,261 INFO L158 Benchmark]: Toolchain (without parser) took 1604.53ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 69.0MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:52:30,262 INFO L158 Benchmark]: CDTParser took 1.93ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:52:30,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.10ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 69.0MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:52:30,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.10ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 69.0MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. 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_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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_0d2ae50e-e702-4767-be85-abee13e060e3/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 668c3d29f0a14ccecf35b444f72a49f01cee2db46af2286bf0337ec5fa57071d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:52:33,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:52:33,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:52:33,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:52:33,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:52:33,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:52:33,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:52:33,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:52:33,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:52:33,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:52:33,570 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:52:33,570 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:52:33,570 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:52:33,570 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:52:33,571 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:52:33,571 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:52:33,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:52:33,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:52:33,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:52:33,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:52:33,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:52:33,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:52:33,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:33,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:52:33,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:52:33,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:52:33,576 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_0d2ae50e-e702-4767-be85-abee13e060e3/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 -> 668c3d29f0a14ccecf35b444f72a49f01cee2db46af2286bf0337ec5fa57071d [2024-11-14 02:52:33,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:52:33,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:52:33,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:52:33,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:52:33,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:52:33,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 02:52:36,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:52:37,197 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:52:37,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i [2024-11-14 02:52:37,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/c8c73c06d/a1099d7407df44bdaa925c817e4eb5cb/FLAG1303f307c [2024-11-14 02:52:37,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/data/c8c73c06d/a1099d7407df44bdaa925c817e4eb5cb [2024-11-14 02:52:37,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:52:37,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:52:37,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:37,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:52:37,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:52:37,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:37" (1/1) ... [2024-11-14 02:52:37,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2200a2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:37, skipping insertion in model container [2024-11-14 02:52:37,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:37" (1/1) ... [2024-11-14 02:52:37,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:52:38,808 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_0d2ae50e-e702-4767-be85-abee13e060e3/sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i[71457,71470] [2024-11-14 02:52:39,229 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-14 02:52:39,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:39,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:52:39,322 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_0d2ae50e-e702-4767-be85-abee13e060e3/sv-benchmarks/c/neural-networks/poly_128_thresh_0_safe.c-amalgamation.i[71457,71470] [2024-11-14 02:52:39,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:39,815 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:52:39,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39 WrapperNode [2024-11-14 02:52:39,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:39,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:39,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:52:39,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:52:39,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:39,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,008 INFO L138 Inliner]: procedures = 779, calls = 1242, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1793 [2024-11-14 02:52:40,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:40,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:52:40,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:52:40,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:52:40,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:52:40,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:52:40,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:52:40,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:52:40,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (1/1) ... [2024-11-14 02:52:40,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:52:40,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:52:40,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:52:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 02:52:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 02:52:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:52:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:52:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:52:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:52:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:52:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:52:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:52:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-14 02:52:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-14 02:52:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 02:52:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-14 02:52:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:52:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:52:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 02:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 02:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-14 02:52:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-14 02:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 02:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:52:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:52:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-14 02:52:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-14 02:52:40,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:52:40,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:53:03,724 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2024-11-14 02:53:03,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:53:03,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:53:03,748 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-14 02:53:03,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:03 BoogieIcfgContainer [2024-11-14 02:53:03,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:53:03,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:53:03,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:53:03,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:53:03,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:52:37" (1/3) ... [2024-11-14 02:53:03,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19efc30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:03, skipping insertion in model container [2024-11-14 02:53:03,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:39" (2/3) ... [2024-11-14 02:53:03,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19efc30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:03, skipping insertion in model container [2024-11-14 02:53:03,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:03" (3/3) ... [2024-11-14 02:53:03,762 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_128_thresh_0_safe.c-amalgamation.i [2024-11-14 02:53:03,785 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:53:03,787 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_128_thresh_0_safe.c-amalgamation.i that has 6 procedures, 180 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-14 02:53:03,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:53:03,902 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;@4c44dc36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:53:03,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:53:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 02:53:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 02:53:03,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:03,929 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:03,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash 394518670, now seen corresponding path program 1 times [2024-11-14 02:53:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604025915] [2024-11-14 02:53:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:03,976 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 [2024-11-14 02:53:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:03,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:53:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:53:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:38,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 5357 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:53:38,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 02:53:38,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:53:38,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:53:38,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604025915] [2024-11-14 02:53:38,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604025915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:38,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:38,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:53:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197429417] [2024-11-14 02:53:38,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:38,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:53:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:53:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:53:39,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:53:39,023 INFO L87 Difference]: Start difference. First operand has 180 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:53:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:39,097 INFO L93 Difference]: Finished difference Result 357 states and 592 transitions. [2024-11-14 02:53:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:53:39,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2024-11-14 02:53:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:39,117 INFO L225 Difference]: With dead ends: 357 [2024-11-14 02:53:39,117 INFO L226 Difference]: Without dead ends: 176 [2024-11-14 02:53:39,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:53:39,133 INFO L432 NwaCegarLoop]: 248 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, 248 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 [2024-11-14 02:53:39,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:53:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-14 02:53:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-14 02:53:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 02:53:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 244 transitions. [2024-11-14 02:53:39,212 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 244 transitions. Word has length 58 [2024-11-14 02:53:39,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:39,213 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 244 transitions. [2024-11-14 02:53:39,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 02:53:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 244 transitions. [2024-11-14 02:53:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 02:53:39,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:39,219 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:39,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:53:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:53:39,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash 435193420, now seen corresponding path program 1 times [2024-11-14 02:53:39,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428385600] [2024-11-14 02:53:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:39,433 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 [2024-11-14 02:53:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:39,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:53:39,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:54:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:54:16,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 5358 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:54:16,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:54:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:54:17,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:54:17,817 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:54:17,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428385600] [2024-11-14 02:54:17,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428385600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:54:17,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:54:17,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:54:17,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677313914] [2024-11-14 02:54:17,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:54:17,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:54:17,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:54:17,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:54:17,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:54:17,821 INFO L87 Difference]: Start difference. First operand 176 states and 244 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:54:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:54:18,916 INFO L93 Difference]: Finished difference Result 353 states and 490 transitions. [2024-11-14 02:54:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:54:18,919 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 58 [2024-11-14 02:54:18,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:54:18,926 INFO L225 Difference]: With dead ends: 353 [2024-11-14 02:54:18,926 INFO L226 Difference]: Without dead ends: 182 [2024-11-14 02:54:18,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:54:18,933 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 338 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:54:18,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 746 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 02:54:18,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-14 02:54:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-14 02:54:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-14 02:54:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-14 02:54:18,964 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 58 [2024-11-14 02:54:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:54:18,964 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-14 02:54:18,964 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:54:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-14 02:54:18,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 02:54:18,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:54:18,968 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:54:19,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:54:19,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:54:19,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:54:19,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:54:19,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1267222762, now seen corresponding path program 1 times [2024-11-14 02:54:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:54:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129111042] [2024-11-14 02:54:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:54:19,177 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 [2024-11-14 02:54:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:54:19,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:54:19,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:54:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:54:52,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 5359 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:54:52,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:54:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:54:53,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:54:53,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:54:53,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129111042] [2024-11-14 02:54:53,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129111042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:54:53,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:54:53,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:54:53,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883235934] [2024-11-14 02:54:53,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:54:53,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:54:53,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:54:53,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:54:53,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:54:53,334 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:54:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:54:54,230 INFO L93 Difference]: Finished difference Result 365 states and 504 transitions. [2024-11-14 02:54:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:54:54,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 59 [2024-11-14 02:54:54,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:54:54,234 INFO L225 Difference]: With dead ends: 365 [2024-11-14 02:54:54,235 INFO L226 Difference]: Without dead ends: 188 [2024-11-14 02:54:54,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:54:54,237 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 205 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:54:54,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 755 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 02:54:54,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-14 02:54:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2024-11-14 02:54:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-14 02:54:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-14 02:54:54,283 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 59 [2024-11-14 02:54:54,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:54:54,284 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-14 02:54:54,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:54:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-14 02:54:54,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-14 02:54:54,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:54:54,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:54:54,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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)] Ended with exit code 0 [2024-11-14 02:54:54,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:54:54,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:54:54,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:54:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1686931916, now seen corresponding path program 1 times [2024-11-14 02:54:54,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:54:54,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925272533] [2024-11-14 02:54:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:54:54,497 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 [2024-11-14 02:54:54,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:54:54,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:54:54,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:55:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:55:30,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 5361 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:55:30,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:55:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:55:31,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:55:31,759 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:55:31,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925272533] [2024-11-14 02:55:31,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925272533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:55:31,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:55:31,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:55:31,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814148494] [2024-11-14 02:55:31,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:55:31,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:55:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:55:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:55:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:55:31,762 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:55:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:55:32,719 INFO L93 Difference]: Finished difference Result 365 states and 504 transitions. [2024-11-14 02:55:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:55:32,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2024-11-14 02:55:32,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:55:32,723 INFO L225 Difference]: With dead ends: 365 [2024-11-14 02:55:32,723 INFO L226 Difference]: Without dead ends: 188 [2024-11-14 02:55:32,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:55:32,725 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 203 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:55:32,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 755 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 02:55:32,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-14 02:55:32,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2024-11-14 02:55:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-14 02:55:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-14 02:55:32,757 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 61 [2024-11-14 02:55:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:55:32,758 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-14 02:55:32,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:55:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-14 02:55:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 02:55:32,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:55:32,762 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:55:32,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:55:32,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:55:32,962 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:55:32,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:55:32,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1879200878, now seen corresponding path program 1 times [2024-11-14 02:55:32,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:55:32,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803437075] [2024-11-14 02:55:32,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:55:32,968 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 [2024-11-14 02:55:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:55:32,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:55:32,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:10,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 5362 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:56:10,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:56:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:56:10,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:56:10,949 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:56:10,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803437075] [2024-11-14 02:56:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803437075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:56:10,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:56:10,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:56:10,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757132015] [2024-11-14 02:56:10,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:56:10,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:56:10,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:56:10,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:56:10,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:56:10,952 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:56:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:56:11,942 INFO L93 Difference]: Finished difference Result 365 states and 504 transitions. [2024-11-14 02:56:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:56:11,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-14 02:56:11,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:56:11,945 INFO L225 Difference]: With dead ends: 365 [2024-11-14 02:56:11,945 INFO L226 Difference]: Without dead ends: 188 [2024-11-14 02:56:11,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:56:11,948 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 203 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:56:11,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 755 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 02:56:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-14 02:56:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2024-11-14 02:56:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-14 02:56:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-14 02:56:11,966 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 62 [2024-11-14 02:56:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:56:11,966 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-14 02:56:11,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:56:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-14 02:56:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 02:56:11,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:56:11,968 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:56:12,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:12,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:12,169 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:56:12,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:56:12,169 INFO L85 PathProgramCache]: Analyzing trace with hash 460146166, now seen corresponding path program 1 times [2024-11-14 02:56:12,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:56:12,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940950799] [2024-11-14 02:56:12,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:56:12,174 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 [2024-11-14 02:56:12,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:56:12,177 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:56:12,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:44,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 5364 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 02:56:44,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:56:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:56:45,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:56:45,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:56:45,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940950799] [2024-11-14 02:56:45,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940950799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:56:45,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:56:45,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:56:45,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178536554] [2024-11-14 02:56:45,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:56:45,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:56:45,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:56:45,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:56:45,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:56:45,541 INFO L87 Difference]: Start difference. First operand 182 states and 251 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:56:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:56:46,373 INFO L93 Difference]: Finished difference Result 365 states and 504 transitions. [2024-11-14 02:56:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:56:46,374 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-14 02:56:46,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:56:46,376 INFO L225 Difference]: With dead ends: 365 [2024-11-14 02:56:46,376 INFO L226 Difference]: Without dead ends: 188 [2024-11-14 02:56:46,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:56:46,379 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 198 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:56:46,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 700 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 02:56:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-14 02:56:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2024-11-14 02:56:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (13), 12 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-14 02:56:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2024-11-14 02:56:46,406 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 68 [2024-11-14 02:56:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:56:46,407 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2024-11-14 02:56:46,408 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, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-14 02:56:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2024-11-14 02:56:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 02:56:46,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:56:46,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:56:46,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:46,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:56:46,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:56:46,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:56:46,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1810829804, now seen corresponding path program 1 times [2024-11-14 02:56:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:56:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366664270] [2024-11-14 02:56:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:56:46,614 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 [2024-11-14 02:56:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:56:46,615 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:56:46,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:57:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:19,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 5370 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:57:19,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:57:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-14 02:57:21,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:57:21,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:57:21,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366664270] [2024-11-14 02:57:21,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366664270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:57:21,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:57:21,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:57:21,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390270806] [2024-11-14 02:57:21,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:57:21,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:57:21,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:57:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:57:21,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:57:21,121 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:57:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:57:21,935 INFO L93 Difference]: Finished difference Result 187 states and 255 transitions. [2024-11-14 02:57:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:57:21,937 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2024-11-14 02:57:21,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:57:21,943 INFO L225 Difference]: With dead ends: 187 [2024-11-14 02:57:21,943 INFO L226 Difference]: Without dead ends: 182 [2024-11-14 02:57:21,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:57:21,944 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 198 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:57:21,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 758 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 02:57:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-14 02:57:21,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-14 02:57:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 164 states have (on average 1.3902439024390243) internal successors, (228), 164 states have internal predecessors, (228), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2024-11-14 02:57:21,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2024-11-14 02:57:21,986 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 70 [2024-11-14 02:57:21,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:57:21,990 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2024-11-14 02:57:21,991 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:57:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2024-11-14 02:57:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 02:57:21,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:21,996 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:57:22,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:57:22,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:57:22,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:57:22,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:22,198 INFO L85 PathProgramCache]: Analyzing trace with hash 922378353, now seen corresponding path program 1 times [2024-11-14 02:57:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:57:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016667691] [2024-11-14 02:57:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:22,203 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 [2024-11-14 02:57:22,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:57:22,206 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:57:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:57:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:59,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 5364 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:57:59,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 02:58:00,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:00,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:00,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016667691] [2024-11-14 02:58:00,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016667691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:00,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:00,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:00,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742727992] [2024-11-14 02:58:00,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:00,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:58:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:00,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:58:00,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:58:00,634 INFO L87 Difference]: Start difference. First operand 182 states and 250 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:58:01,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:01,483 INFO L93 Difference]: Finished difference Result 193 states and 261 transitions. [2024-11-14 02:58:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:58:01,485 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2024-11-14 02:58:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:01,487 INFO L225 Difference]: With dead ends: 193 [2024-11-14 02:58:01,487 INFO L226 Difference]: Without dead ends: 179 [2024-11-14 02:58:01,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:58:01,488 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 197 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:01,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 752 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 02:58:01,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-14 02:58:01,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-14 02:58:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 161 states have internal predecessors, (223), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2024-11-14 02:58:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 245 transitions. [2024-11-14 02:58:01,512 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 245 transitions. Word has length 64 [2024-11-14 02:58:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:01,513 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 245 transitions. [2024-11-14 02:58:01,513 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:58:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 245 transitions. [2024-11-14 02:58:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-14 02:58:01,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:01,515 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:01,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:58:01,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:58:01,716 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:01,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1844372411, now seen corresponding path program 1 times [2024-11-14 02:58:01,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:01,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267684002] [2024-11-14 02:58:01,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:01,720 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 [2024-11-14 02:58:01,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:01,721 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:58:01,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:58:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:39,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 5365 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:58:39,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 02:58:40,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:40,504 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:40,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267684002] [2024-11-14 02:58:40,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267684002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:40,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:40,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504836792] [2024-11-14 02:58:40,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:40,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:58:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:40,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:58:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:58:40,507 INFO L87 Difference]: Start difference. First operand 179 states and 245 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:58:41,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:41,599 INFO L93 Difference]: Finished difference Result 190 states and 256 transitions. [2024-11-14 02:58:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:58:41,600 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2024-11-14 02:58:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:41,602 INFO L225 Difference]: With dead ends: 190 [2024-11-14 02:58:41,602 INFO L226 Difference]: Without dead ends: 176 [2024-11-14 02:58:41,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:58:41,604 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 318 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:41,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 733 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 02:58:41,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-14 02:58:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-14 02:58:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 158 states have (on average 1.379746835443038) internal successors, (218), 158 states have internal predecessors, (218), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2024-11-14 02:58:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 240 transitions. [2024-11-14 02:58:41,626 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 240 transitions. Word has length 65 [2024-11-14 02:58:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:41,626 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 240 transitions. [2024-11-14 02:58:41,626 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:58:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 240 transitions. [2024-11-14 02:58:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 02:58:41,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:41,628 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:41,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:58:41,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:58:41,829 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:41,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash 803390375, now seen corresponding path program 1 times [2024-11-14 02:58:41,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:41,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208040718] [2024-11-14 02:58:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:41,833 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 [2024-11-14 02:58:41,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:41,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:58:41,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:59:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:59:19,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 5367 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:59:19,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 02:59:20,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:59:20,396 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:59:20,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208040718] [2024-11-14 02:59:20,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208040718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:59:20,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:59:20,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:59:20,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756468180] [2024-11-14 02:59:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:59:20,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:59:20,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:59:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:59:20,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:59:20,398 INFO L87 Difference]: Start difference. First operand 176 states and 240 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:59:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:59:21,126 INFO L93 Difference]: Finished difference Result 187 states and 251 transitions. [2024-11-14 02:59:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:59:21,127 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-14 02:59:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:59:21,130 INFO L225 Difference]: With dead ends: 187 [2024-11-14 02:59:21,130 INFO L226 Difference]: Without dead ends: 173 [2024-11-14 02:59:21,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:59:21,131 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 311 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:59:21,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 714 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 02:59:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-14 02:59:21,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-14 02:59:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 155 states have (on average 1.3741935483870968) internal successors, (213), 155 states have internal predecessors, (213), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2024-11-14 02:59:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2024-11-14 02:59:21,153 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 67 [2024-11-14 02:59:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:59:21,154 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2024-11-14 02:59:21,154 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:59:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2024-11-14 02:59:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-14 02:59:21,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:59:21,156 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:59:21,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:59:21,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 02:59:21,356 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:59:21,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:59:21,357 INFO L85 PathProgramCache]: Analyzing trace with hash 585453547, now seen corresponding path program 1 times [2024-11-14 02:59:21,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:59:21,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137950873] [2024-11-14 02:59:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:59:21,361 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 [2024-11-14 02:59:21,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:59:21,364 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 02:59:21,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 03:00:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:00:03,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 5368 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:00:03,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:00:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:00:04,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:00:04,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:00:04,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137950873] [2024-11-14 03:00:04,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137950873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:00:04,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:00:04,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:00:04,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271371675] [2024-11-14 03:00:04,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:00:04,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:00:04,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:00:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:00:04,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 03:00:04,410 INFO L87 Difference]: Start difference. First operand 173 states and 235 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 03:00:05,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:00:05,064 INFO L93 Difference]: Finished difference Result 184 states and 246 transitions. [2024-11-14 03:00:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 03:00:05,065 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2024-11-14 03:00:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:00:05,067 INFO L225 Difference]: With dead ends: 184 [2024-11-14 03:00:05,067 INFO L226 Difference]: Without dead ends: 170 [2024-11-14 03:00:05,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:00:05,068 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 183 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:00:05,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 695 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 03:00:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-14 03:00:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-14 03:00:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 152 states have (on average 1.368421052631579) internal successors, (208), 152 states have internal predecessors, (208), 10 states have call successors, (10), 5 states have call predecessors, (10), 7 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2024-11-14 03:00:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 230 transitions. [2024-11-14 03:00:05,087 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 230 transitions. Word has length 68 [2024-11-14 03:00:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:00:05,087 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 230 transitions. [2024-11-14 03:00:05,088 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, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 03:00:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 230 transitions. [2024-11-14 03:00:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 03:00:05,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:00:05,089 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:00:05,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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)] Ended with exit code 0 [2024-11-14 03:00:05,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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 [2024-11-14 03:00:05,290 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:00:05,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:00:05,290 INFO L85 PathProgramCache]: Analyzing trace with hash -381028928, now seen corresponding path program 1 times [2024-11-14 03:00:05,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:00:05,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109199969] [2024-11-14 03:00:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:00:05,294 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 [2024-11-14 03:00:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:00:05,296 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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) [2024-11-14 03:00:05,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2ae50e-e702-4767-be85-abee13e060e3/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