./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:28,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:28,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:44:28,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:28,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:28,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:28,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:28,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:28,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:28,845 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:28,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:28,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:28,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:28,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:28,849 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:28,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:28,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:28,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:28,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:28,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:28,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:28,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:28,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:44:28,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:28,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:28,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:28,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:28,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:28,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:28,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:28,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:28,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:28,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:28,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:28,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:28,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:28,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:28,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:28,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:28,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:28,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:28,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a [2023-11-26 10:44:29,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:29,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:29,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:29,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:29,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:29,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2023-11-26 10:44:32,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:32,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:32,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2023-11-26 10:44:32,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/4f893f91e/6003a88b67a84cc7bf7d7541e7235a5a/FLAGa491b288b [2023-11-26 10:44:32,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/4f893f91e/6003a88b67a84cc7bf7d7541e7235a5a [2023-11-26 10:44:32,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:32,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:32,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:32,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:32,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:32,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:32" (1/1) ... [2023-11-26 10:44:32,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ff7cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:32, skipping insertion in model container [2023-11-26 10:44:32,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:32" (1/1) ... [2023-11-26 10:44:32,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:35,084 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoops(CHandler.java:3572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-11-26 10:44:35,094 INFO L158 Benchmark]: Toolchain (without parser) took 2196.13ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 101.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:35,094 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:35,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2190.69ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 101.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:35,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2190.69ms. Allocated memory is still 167.8MB. Free memory was 126.0MB in the beginning and 101.3MB in the end (delta: 24.7MB). 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:37,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:37,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 10:44:37,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:37,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:37,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 10:44:38,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:38,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:38,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:38,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:38,034 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:38,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:38,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:38,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:38,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:38,039 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:38,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:38,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:38,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:38,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:38,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:38,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:38,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:44:38,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:44:38,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:44:38,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:44:38,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:38,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:38,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:38,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:38,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:38,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:38,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:38,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:38,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:38,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:38,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:38,052 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:44:38,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:44:38,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:38,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:38,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:38,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:38,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:38,055 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:44:38,055 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b410dff271a7565d92c181615912a2ba6fcc1b46b47a2ddfeb98ac4bf099e59a [2023-11-26 10:44:38,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:38,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:38,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:38,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:38,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:38,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2023-11-26 10:44:42,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:42,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:42,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_17_good.i [2023-11-26 10:44:42,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/bcea174e1/a747690ee07942b0ac8235d8d367944e/FLAGca779c6a7 [2023-11-26 10:44:42,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/data/bcea174e1/a747690ee07942b0ac8235d8d367944e [2023-11-26 10:44:42,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:42,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:42,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:42,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:42,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:42,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:42" (1/1) ... [2023-11-26 10:44:42,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439820d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:42, skipping insertion in model container [2023-11-26 10:44:42,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:42" (1/1) ... [2023-11-26 10:44:42,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:44,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:44,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:44,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:45,228 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:45,229 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:45,229 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:45,229 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:45,237 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:45,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45 WrapperNode [2023-11-26 10:44:45,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:45,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:45,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:45,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:45,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,331 INFO L138 Inliner]: procedures = 943, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-11-26 10:44:45,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:45,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:45,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:45,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:45,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,370 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 10:44:45,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:45,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:45,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:45,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:45,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (1/1) ... [2023-11-26 10:44:45,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:45,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:45,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:44:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:44:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:44:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:44:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:44:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:44:45,664 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:45,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:48,277 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:48,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:48,321 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 10:44:48,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:48 BoogieIcfgContainer [2023-11-26 10:44:48,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:48,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:48,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:48,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:48,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:42" (1/3) ... [2023-11-26 10:44:48,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcb6652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:48, skipping insertion in model container [2023-11-26 10:44:48,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:45" (2/3) ... [2023-11-26 10:44:48,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcb6652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:48, skipping insertion in model container [2023-11-26 10:44:48,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:48" (3/3) ... [2023-11-26 10:44:48,334 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_17_good.i [2023-11-26 10:44:48,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:48,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-26 10:44:48,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:48,417 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@14a4958d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:48,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-26 10:44:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 49 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:44:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-26 10:44:48,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:48,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:48,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:44:48,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:48,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1945028406, now seen corresponding path program 1 times [2023-11-26 10:44:48,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:48,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155627119] [2023-11-26 10:44:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:48,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:44:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:48,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:48,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:44:48,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:48,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:48,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:48,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155627119] [2023-11-26 10:44:48,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155627119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:48,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:48,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 10:44:48,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927050558] [2023-11-26 10:44:48,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:48,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:44:48,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:44:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:48,738 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 49 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:48,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:48,787 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2023-11-26 10:44:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:44:48,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-26 10:44:48,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:48,798 INFO L225 Difference]: With dead ends: 101 [2023-11-26 10:44:48,798 INFO L226 Difference]: Without dead ends: 49 [2023-11-26 10:44:48,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:48,806 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:48,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-26 10:44:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-26 10:44:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 42 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:44:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2023-11-26 10:44:48,856 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 11 [2023-11-26 10:44:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:48,861 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2023-11-26 10:44:48,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-26 10:44:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 10:44:48,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:48,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:48,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:49,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:49,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:44:49,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash 164818749, now seen corresponding path program 1 times [2023-11-26 10:44:49,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:49,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617810297] [2023-11-26 10:44:49,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:49,072 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 [2023-11-26 10:44:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:49,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:49,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:44:49,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:49,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:49,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:49,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617810297] [2023-11-26 10:44:49,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617810297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:49,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:49,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453963983] [2023-11-26 10:44:49,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:49,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:49,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:49,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:49,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:49,261 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:49,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:49,325 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2023-11-26 10:44:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:49,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-26 10:44:49,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:49,327 INFO L225 Difference]: With dead ends: 95 [2023-11-26 10:44:49,327 INFO L226 Difference]: Without dead ends: 55 [2023-11-26 10:44:49,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:49,330 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:49,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-26 10:44:49,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2023-11-26 10:44:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.457142857142857) internal successors, (51), 43 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:44:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2023-11-26 10:44:49,340 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 12 [2023-11-26 10:44:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:49,341 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2023-11-26 10:44:49,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-26 10:44:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 10:44:49,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:49,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:49,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:49,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:49,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:44:49,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:49,546 INFO L85 PathProgramCache]: Analyzing trace with hash 166338507, now seen corresponding path program 1 times [2023-11-26 10:44:49,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:49,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989279862] [2023-11-26 10:44:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:49,547 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 [2023-11-26 10:44:49,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:49,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:44:49,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:49,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:49,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:49,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989279862] [2023-11-26 10:44:49,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989279862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:49,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:49,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:49,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36156997] [2023-11-26 10:44:49,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:49,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:49,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:49,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:49,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:49,718 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:49,817 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2023-11-26 10:44:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:44:49,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-26 10:44:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:49,819 INFO L225 Difference]: With dead ends: 55 [2023-11-26 10:44:49,820 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 10:44:49,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:49,821 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 3 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:49,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 145 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 10:44:49,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 10:44:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.435897435897436) internal successors, (56), 47 states have internal predecessors, (56), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:44:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2023-11-26 10:44:49,830 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 12 [2023-11-26 10:44:49,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:49,830 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2023-11-26 10:44:49,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-26 10:44:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:44:49,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:49,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:49,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:50,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:50,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:44:50,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,036 INFO L85 PathProgramCache]: Analyzing trace with hash -606460175, now seen corresponding path program 1 times [2023-11-26 10:44:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890473492] [2023-11-26 10:44:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,037 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 [2023-11-26 10:44:50,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:50,039 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:50,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:44:50,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:44:50,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:50,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:50,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890473492] [2023-11-26 10:44:50,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890473492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:50,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:50,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:50,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928033040] [2023-11-26 10:44:50,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:50,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:50,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:50,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:50,227 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:54,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:58,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:44:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:59,227 INFO L93 Difference]: Finished difference Result 102 states and 123 transitions. [2023-11-26 10:44:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-26 10:44:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:59,229 INFO L225 Difference]: With dead ends: 102 [2023-11-26 10:44:59,229 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 10:44:59,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:59,231 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:59,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 127 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-11-26 10:44:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 10:44:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2023-11-26 10:44:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 53 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:44:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2023-11-26 10:44:59,241 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 17 [2023-11-26 10:44:59,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:59,241 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2023-11-26 10:44:59,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-26 10:44:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:44:59,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:59,243 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:59,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:59,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:59,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:44:59,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:59,457 INFO L85 PathProgramCache]: Analyzing trace with hash -604940417, now seen corresponding path program 1 times [2023-11-26 10:44:59,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:44:59,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789500808] [2023-11-26 10:44:59,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:59,458 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 [2023-11-26 10:44:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:44:59,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:44:59,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:44:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:59,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:44:59,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:59,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:59,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:44:59,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789500808] [2023-11-26 10:44:59,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789500808] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:59,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:44:59,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-26 10:44:59,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370033703] [2023-11-26 10:44:59,741 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:59,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:44:59,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:44:59,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:44:59,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:44:59,746 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:59,869 INFO L93 Difference]: Finished difference Result 109 states and 134 transitions. [2023-11-26 10:44:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:59,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-26 10:44:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:59,871 INFO L225 Difference]: With dead ends: 109 [2023-11-26 10:44:59,872 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 10:44:59,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:44:59,873 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 60 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:59,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 181 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 10:44:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-26 10:44:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.380952380952381) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:44:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2023-11-26 10:44:59,882 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 17 [2023-11-26 10:44:59,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:59,883 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2023-11-26 10:44:59,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:44:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-26 10:44:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:44:59,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:59,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:59,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:00,085 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:45:00,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1620392121, now seen corresponding path program 1 times [2023-11-26 10:45:00,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:00,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861889835] [2023-11-26 10:45:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:00,087 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 [2023-11-26 10:45:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:00,091 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:00,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:00,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:45:00,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:45:00,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:45:00,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:45:00,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861889835] [2023-11-26 10:45:00,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861889835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:00,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:00,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:45:00,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102390342] [2023-11-26 10:45:00,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:00,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:00,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:45:00,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:00,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:00,236 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:00,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:00,285 INFO L93 Difference]: Finished difference Result 94 states and 111 transitions. [2023-11-26 10:45:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:00,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-26 10:45:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:00,287 INFO L225 Difference]: With dead ends: 94 [2023-11-26 10:45:00,287 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 10:45:00,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:00,289 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:00,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:45:00,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 10:45:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-26 10:45:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 48 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:45:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2023-11-26 10:45:00,299 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 67 transitions. Word has length 18 [2023-11-26 10:45:00,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:00,299 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 67 transitions. [2023-11-26 10:45:00,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2023-11-26 10:45:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:45:00,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:00,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:00,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:00,514 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:45:00,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:00,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1306404402, now seen corresponding path program 1 times [2023-11-26 10:45:00,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:00,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137994498] [2023-11-26 10:45:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:00,517 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 [2023-11-26 10:45:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:00,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:00,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:00,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:45:00,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:45:00,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:45:00,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:45:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137994498] [2023-11-26 10:45:00,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137994498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:00,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:00,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:45:00,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298992603] [2023-11-26 10:45:00,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:00,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:00,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:45:00,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:00,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:00,653 INFO L87 Difference]: Start difference. First operand 56 states and 67 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:00,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:00,727 INFO L93 Difference]: Finished difference Result 96 states and 115 transitions. [2023-11-26 10:45:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:00,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-26 10:45:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:00,731 INFO L225 Difference]: With dead ends: 96 [2023-11-26 10:45:00,731 INFO L226 Difference]: Without dead ends: 78 [2023-11-26 10:45:00,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:00,737 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 15 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:00,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 93 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:45:00,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-26 10:45:00,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 57. [2023-11-26 10:45:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 49 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:45:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2023-11-26 10:45:00,766 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 19 [2023-11-26 10:45:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:00,767 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2023-11-26 10:45:00,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:45:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2023-11-26 10:45:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:45:00,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:00,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:00,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:00,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:00,982 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-26 10:45:00,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1307326899, now seen corresponding path program 1 times [2023-11-26 10:45:00,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:00,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8384545] [2023-11-26 10:45:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:00,983 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 [2023-11-26 10:45:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:00,985 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:01,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80062333-7374-41df-9a45-73909470f0fa/bin/uautomizer-verify-VRDe98Ueme/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