./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:09:05,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:09:05,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:09:05,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:09:05,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:09:05,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:09:05,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:09:05,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:09:05,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:09:05,983 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:09:05,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:09:05,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:09:05,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:09:05,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:09:05,984 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:09:05,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:09:05,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:09:05,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:09:05,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:09:05,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:09:05,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:09:05,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:09:05,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:09:05,987 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 [2024-12-01 23:09:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:09:06,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:09:06,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:09:06,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:09:06,260 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:09:06,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2024-12-01 23:09:08,940 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/48b1e3461/e3b9060df45c4fd9955056dc73faced9/FLAGe3c1d1c17 [2024-12-01 23:09:09,271 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:09:09,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2024-12-01 23:09:09,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/48b1e3461/e3b9060df45c4fd9955056dc73faced9/FLAGe3c1d1c17 [2024-12-01 23:09:09,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/48b1e3461/e3b9060df45c4fd9955056dc73faced9 [2024-12-01 23:09:09,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:09:09,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:09:09,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:09:09,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:09:09,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:09:09,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:09" (1/1) ... [2024-12-01 23:09:09,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8f8952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:09, skipping insertion in model container [2024-12-01 23:09:09,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:09" (1/1) ... [2024-12-01 23:09:09,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:09:10,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-01 23:09:10,412 INFO L158 Benchmark]: Toolchain (without parser) took 900.72ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:09:10,412 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:09:10,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.48ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:09:10,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.48ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:09:12,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:09:12,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:09:12,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:09:12,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:09:12,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:09:12,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:09:12,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:09:12,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:09:12,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:09:12,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:09:12,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:09:12,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:09:12,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:09:12,274 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:09:12,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:09:12,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:09:12,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:09:12,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:09:12,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:09:12,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:09:12,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:09:12,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:09:12,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:09:12,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:09:12,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:09:12,278 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4e4cc66ac311a16e0c586d93b4c6707ddda1a69769fac339f990e1ac41385b3 [2024-12-01 23:09:12,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:09:12,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:09:12,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:09:12,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:09:12,518 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:09:12,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2024-12-01 23:09:15,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/665383062/f0524e98e97a42e59d8905dca596eae7/FLAG373059af1 [2024-12-01 23:09:15,525 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:09:15,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i [2024-12-01 23:09:15,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/665383062/f0524e98e97a42e59d8905dca596eae7/FLAG373059af1 [2024-12-01 23:09:15,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/data/665383062/f0524e98e97a42e59d8905dca596eae7 [2024-12-01 23:09:15,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:09:15,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:09:15,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:09:15,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:09:15,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:09:15,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:15" (1/1) ... [2024-12-01 23:09:15,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d5474f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:15, skipping insertion in model container [2024-12-01 23:09:15,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:09:15" (1/1) ... [2024-12-01 23:09:15,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:09:16,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i[71465,71478] [2024-12-01 23:09:16,737 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-01 23:09:16,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:09:16,754 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:09:16,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_1_safe.c-amalgamation.i[71465,71478] [2024-12-01 23:09:16,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:09:17,090 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:09:17,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17 WrapperNode [2024-12-01 23:09:17,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:09:17,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:09:17,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:09:17,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:09:17,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,244 INFO L138 Inliner]: procedures = 779, calls = 1656, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 2225 [2024-12-01 23:09:17,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:09:17,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:09:17,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:09:17,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:09:17,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,321 INFO L175 MemorySlicer]: Split 1475 memory accesses to 16 slices as follows [2, 4, 7, 2, 2, 36, 54, 102, 2, 638, 4, 4, 3, 605, 6, 4]. 43 percent of accesses are in the largest equivalence class. The 761 initializations are split as follows [2, 1, 7, 2, 0, 32, 1, 72, 0, 50, 1, 0, 0, 593, 0, 0]. The 632 writes are split as follows [0, 0, 0, 0, 1, 0, 51, 0, 1, 566, 0, 2, 2, 4, 3, 2]. [2024-12-01 23:09:17,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:09:17,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:09:17,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:09:17,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:09:17,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (1/1) ... [2024-12-01 23:09:17,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:09:17,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:09:17,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:09:17,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-01 23:09:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-12-01 23:09:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:09:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:09:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-01 23:09:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-01 23:09:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-01 23:09:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-01 23:09:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-01 23:09:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-01 23:09:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-01 23:09:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-01 23:09:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-01 23:09:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-01 23:09:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-01 23:09:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-01 23:09:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-01 23:09:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-01 23:09:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-01 23:09:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-01 23:09:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-01 23:09:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-01 23:09:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-01 23:09:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-01 23:09:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-01 23:09:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-01 23:09:17,858 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:09:17,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:09:46,366 INFO L? ?]: Removed 289 outVars from TransFormulas that were not future-live. [2024-12-01 23:09:46,366 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:09:46,382 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:09:46,382 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-01 23:09:46,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:46 BoogieIcfgContainer [2024-12-01 23:09:46,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:09:46,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:09:46,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:09:46,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:09:46,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:09:15" (1/3) ... [2024-12-01 23:09:46,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b581e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:09:46, skipping insertion in model container [2024-12-01 23:09:46,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:09:17" (2/3) ... [2024-12-01 23:09:46,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b581e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:09:46, skipping insertion in model container [2024-12-01 23:09:46,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:46" (3/3) ... [2024-12-01 23:09:46,392 INFO L128 eAbstractionObserver]: Analyzing ICFG poly_16_16_16_thresh_1_safe.c-amalgamation.i [2024-12-01 23:09:46,408 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:09:46,410 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_16_16_16_thresh_1_safe.c-amalgamation.i that has 21 procedures, 284 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-12-01 23:09:46,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:09:46,477 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@33b3e086, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:09:46,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:09:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 205 states have (on average 1.5414634146341464) internal successors, (316), 206 states have internal predecessors, (316), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-01 23:09:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-01 23:09:46,511 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:09:46,512 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:09:46,513 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:09:46,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:09:46,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2041683054, now seen corresponding path program 1 times [2024-12-01 23:09:46,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:09:46,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703695413] [2024-12-01 23:09:46,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:09:46,547 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 [2024-12-01 23:09:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:09:46,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:09:46,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-01 23:10:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:51,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 8307 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:10:51,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:10:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-01 23:10:51,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:10:51,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:10:51,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703695413] [2024-12-01 23:10:51,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703695413] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:10:51,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:10:51,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:10:51,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477030938] [2024-12-01 23:10:51,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:10:51,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:10:51,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:10:51,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:10:51,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:10:51,336 INFO L87 Difference]: Start difference. First operand has 224 states, 205 states have (on average 1.5414634146341464) internal successors, (316), 206 states have internal predecessors, (316), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-01 23:10:51,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:10:51,379 INFO L93 Difference]: Finished difference Result 445 states and 686 transitions. [2024-12-01 23:10:51,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:10:51,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 108 [2024-12-01 23:10:51,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:10:51,388 INFO L225 Difference]: With dead ends: 445 [2024-12-01 23:10:51,388 INFO L226 Difference]: Without dead ends: 220 [2024-12-01 23:10:51,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:10:51,396 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:10:51,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:10:51,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-12-01 23:10:51,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-12-01 23:10:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 202 states have (on average 1.316831683168317) internal successors, (266), 202 states have internal predecessors, (266), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-01 23:10:51,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 290 transitions. [2024-12-01 23:10:51,436 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 290 transitions. Word has length 108 [2024-12-01 23:10:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:10:51,437 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 290 transitions. [2024-12-01 23:10:51,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-01 23:10:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2024-12-01 23:10:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-01 23:10:51,442 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:10:51,443 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:10:51,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-01 23:10:51,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:10:51,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:10:51,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:10:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1630002640, now seen corresponding path program 1 times [2024-12-01 23:10:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:10:51,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996050516] [2024-12-01 23:10:51,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:51,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:10:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:10:51,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:10:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-01 23:12:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:04,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 8308 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-01 23:12:04,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-01 23:12:05,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:12:05,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:12:05,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996050516] [2024-12-01 23:12:05,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996050516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:05,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:12:05,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-01 23:12:05,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113765156] [2024-12-01 23:12:05,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:05,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-01 23:12:05,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:12:05,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-01 23:12:05,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:12:05,681 INFO L87 Difference]: Start difference. First operand 220 states and 290 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-01 23:12:10,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:12:14,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:12:18,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:12:22,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:12:26,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:12:33,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:12:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:33,252 INFO L93 Difference]: Finished difference Result 452 states and 599 transitions. [2024-12-01 23:12:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-01 23:12:33,253 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-12-01 23:12:33,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:33,257 INFO L225 Difference]: With dead ends: 452 [2024-12-01 23:12:33,258 INFO L226 Difference]: Without dead ends: 237 [2024-12-01 23:12:33,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-12-01 23:12:33,260 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 296 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 15 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:33,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1504 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 217 Invalid, 5 Unknown, 0 Unchecked, 26.9s Time] [2024-12-01 23:12:33,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-01 23:12:33,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-12-01 23:12:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 216 states have (on average 1.3101851851851851) internal successors, (283), 217 states have internal predecessors, (283), 14 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2024-12-01 23:12:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 314 transitions. [2024-12-01 23:12:33,290 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 314 transitions. Word has length 108 [2024-12-01 23:12:33,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:33,291 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 314 transitions. [2024-12-01 23:12:33,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-01 23:12:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 314 transitions. [2024-12-01 23:12:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-01 23:12:33,293 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:33,293 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:33,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-01 23:12:33,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:12:33,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:33,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:33,494 INFO L85 PathProgramCache]: Analyzing trace with hash 322860242, now seen corresponding path program 1 times [2024-12-01 23:12:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:12:33,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391772758] [2024-12-01 23:12:33,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:33,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:12:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:12:33,501 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:12:33,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-01 23:13:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:42,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 8308 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:13:42,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-01 23:13:43,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:43,830 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:13:43,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391772758] [2024-12-01 23:13:43,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391772758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:43,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:43,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-01 23:13:43,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394842146] [2024-12-01 23:13:43,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:43,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-01 23:13:43,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:13:43,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-01 23:13:43,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:13:43,831 INFO L87 Difference]: Start difference. First operand 237 states and 314 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) [2024-12-01 23:13:48,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:13:52,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:13:56,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:00,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:04,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:08,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:12,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:17,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:22,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:25,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:30,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:34,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:38,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:43,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:48,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:53,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:14:57,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:15:00,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:15:04,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:15:04,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:04,879 INFO L93 Difference]: Finished difference Result 547 states and 732 transitions. [2024-12-01 23:15:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 23:15:04,880 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-12-01 23:15:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:04,884 INFO L225 Difference]: With dead ends: 547 [2024-12-01 23:15:04,884 INFO L226 Difference]: Without dead ends: 315 [2024-12-01 23:15:04,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-12-01 23:15:04,887 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 394 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 3 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.8s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:04,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 2697 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 425 Invalid, 17 Unknown, 0 Unchecked, 80.8s Time] [2024-12-01 23:15:04,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-12-01 23:15:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 312. [2024-12-01 23:15:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 288 states have (on average 1.3263888888888888) internal successors, (382), 290 states have internal predecessors, (382), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (21), 15 states have call predecessors, (21), 15 states have call successors, (21) [2024-12-01 23:15:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 418 transitions. [2024-12-01 23:15:04,934 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 418 transitions. Word has length 108 [2024-12-01 23:15:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:04,934 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 418 transitions. [2024-12-01 23:15:04,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 4 states have call successors, (8) [2024-12-01 23:15:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 418 transitions. [2024-12-01 23:15:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-01 23:15:04,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:04,938 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:05,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-01 23:15:05,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:15:05,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:15:05,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:05,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2059132263, now seen corresponding path program 1 times [2024-12-01 23:15:05,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:15:05,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017042232] [2024-12-01 23:15:05,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:15:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:15:05,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:15:05,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-01 23:16:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:16:29,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 8319 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-01 23:16:29,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:16:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-01 23:16:31,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:16:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-01 23:16:36,823 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:16:36,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017042232] [2024-12-01 23:16:36,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017042232] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:16:36,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-01 23:16:36,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2024-12-01 23:16:36,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585281471] [2024-12-01 23:16:36,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-01 23:16:36,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-01 23:16:36,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:16:36,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-01 23:16:36,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-12-01 23:16:36,825 INFO L87 Difference]: Start difference. First operand 312 states and 418 transitions. Second operand has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) [2024-12-01 23:16:41,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:16:45,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:16:49,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:16:53,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:16:57,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:17:01,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:05,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:09,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:13,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:17,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:21,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:17:25,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:30,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:34,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-01 23:17:38,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:17:44,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:48,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:17:53,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-12-01 23:18:03,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-12-01 23:18:06,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:12,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:14,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:19,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:24,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:31,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:35,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:39,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:42,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:46,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:18:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:46,305 INFO L93 Difference]: Finished difference Result 704 states and 953 transitions. [2024-12-01 23:18:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-01 23:18:46,309 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) Word has length 109 [2024-12-01 23:18:46,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:46,311 INFO L225 Difference]: With dead ends: 704 [2024-12-01 23:18:46,312 INFO L226 Difference]: Without dead ends: 397 [2024-12-01 23:18:46,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-12-01 23:18:46,313 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 412 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2700 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.9s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:46,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 2700 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 26 Unknown, 0 Unchecked, 123.9s Time] [2024-12-01 23:18:46,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-12-01 23:18:46,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 315. [2024-12-01 23:18:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 291 states have (on average 1.3333333333333333) internal successors, (388), 293 states have internal predecessors, (388), 15 states have call successors, (15), 6 states have call predecessors, (15), 8 states have return successors, (21), 15 states have call predecessors, (21), 15 states have call successors, (21) [2024-12-01 23:18:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 424 transitions. [2024-12-01 23:18:46,349 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 424 transitions. Word has length 109 [2024-12-01 23:18:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:46,350 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 424 transitions. [2024-12-01 23:18:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (16), 4 states have call predecessors, (16), 7 states have return successors, (16), 4 states have call predecessors, (16), 8 states have call successors, (16) [2024-12-01 23:18:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 424 transitions. [2024-12-01 23:18:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-01 23:18:46,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:46,352 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:46,552 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/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)] Forcibly destroying the process [2024-12-01 23:18:46,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/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 137 [2024-12-01 23:18:46,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:18:46,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:46,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:46,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1147244014, now seen corresponding path program 2 times [2024-12-01 23:18:46,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:18:46,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41325476] [2024-12-01 23:18:46,563 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:18:46,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:18:46,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:18:46,565 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:18:46,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493ba51b-2bb3-4df9-b375-63cca889fb10/bin/uautomizer-verify-84ZbGMXZE1/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