./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd --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 1aae93787c332a801bd131fc8a90d286be859aae77c09310eeb6a9920e0efa99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:29:26,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:29:26,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:29:26,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:29:26,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:29:26,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:29:26,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:29:26,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:29:26,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:29:26,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:29:26,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:29:26,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:29:26,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:29:26,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:29:26,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:29:26,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:29:26,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:29:26,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:29:26,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:29:26,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:29:26,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:29:26,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:29:26,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:29:26,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:29:26,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:29:26,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:29:26,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:29:26,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:29:26,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:29:26,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:29:26,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:29:26,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:29:26,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:29:26,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:29:26,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:29:26,945 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_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd 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 -> 1aae93787c332a801bd131fc8a90d286be859aae77c09310eeb6a9920e0efa99 [2024-11-13 13:29:27,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:29:27,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:29:27,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:29:27,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:29:27,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:29:27,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:29:29,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:29:29,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:29:29,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i [2024-11-13 13:29:29,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/43347213d/b889b840226543e9b7b399d9f414687d/FLAG1c6abf7ab [2024-11-13 13:29:30,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/43347213d/b889b840226543e9b7b399d9f414687d [2024-11-13 13:29:30,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:29:30,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:29:30,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:29:30,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:29:30,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:29:30,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:30" (1/1) ... [2024-11-13 13:29:30,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f29e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:30, skipping insertion in model container [2024-11-13 13:29:30,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:30" (1/1) ... [2024-11-13 13:29:30,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:29:31,815 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3036) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 13:29:31,824 INFO L158 Benchmark]: Toolchain (without parser) took 1441.69ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 68.0MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:29:31,825 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:29:31,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1439.23ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 68.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:29:31,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1439.23ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 68.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd --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 1aae93787c332a801bd131fc8a90d286be859aae77c09310eeb6a9920e0efa99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:29:34,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:29:34,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:29:34,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:29:34,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:29:34,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:29:34,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:29:34,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:29:34,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:29:34,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:29:34,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:29:34,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:29:34,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:29:34,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:29:34,884 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:29:34,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:29:34,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:29:34,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:29:34,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:29:34,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:29:34,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:29:34,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:29:34,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:29:34,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:29:34,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:29:34,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:29:34,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:29:34,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:29:34,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:29:34,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:29:34,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:29:34,889 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:29:34,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:29:34,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:29:34,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:29:34,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:29:34,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:29:34,891 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_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd 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 -> 1aae93787c332a801bd131fc8a90d286be859aae77c09310eeb6a9920e0efa99 [2024-11-13 13:29:35,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:29:35,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:29:35,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:29:35,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:29:35,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:29:35,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:29:37,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:29:37,835 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:29:37,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i [2024-11-13 13:29:37,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/523b7abf6/6cb3c4f0e0904711bbc0cda96b593b45/FLAG4e8b32381 [2024-11-13 13:29:37,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/data/523b7abf6/6cb3c4f0e0904711bbc0cda96b593b45 [2024-11-13 13:29:37,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:29:37,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:29:37,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:29:37,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:29:37,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:29:37,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:37" (1/1) ... [2024-11-13 13:29:37,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321dc9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:37, skipping insertion in model container [2024-11-13 13:29:37,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:37" (1/1) ... [2024-11-13 13:29:38,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:29:39,471 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_e31b1c01-a00e-47b2-9df2-74c65db29cf0/sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i[71451,71464] [2024-11-13 13:29:40,024 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:29:40,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:29:40,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:29:40,124 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_e31b1c01-a00e-47b2-9df2-74c65db29cf0/sv-benchmarks/c/neural-networks/poly_16_16_thresh_3_unsafe.c-amalgamation.i[71451,71464] [2024-11-13 13:29:40,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:29:40,596 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:29:40,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40 WrapperNode [2024-11-13 13:29:40,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:29:40,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:29:40,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:29:40,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:29:40,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,785 INFO L138 Inliner]: procedures = 779, calls = 1057, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1617 [2024-11-13 13:29:40,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:29:40,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:29:40,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:29:40,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:29:40,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,930 INFO L175 MemorySlicer]: Split 889 memory accesses to 16 slices as follows [2, 7, 2, 4, 4, 3, 2, 6, 37, 28, 4, 4, 333, 365, 2, 86]. 41 percent of accesses are in the largest equivalence class. The 449 initializations are split as follows [2, 7, 2, 0, 1, 0, 0, 0, 1, 24, 0, 1, 321, 34, 0, 56]. The 358 writes are split as follows [0, 0, 0, 2, 0, 2, 1, 3, 34, 0, 2, 0, 4, 309, 1, 0]. [2024-11-13 13:29:40,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:40,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:29:41,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:29:41,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:29:41,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:29:41,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (1/1) ... [2024-11-13 13:29:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:29:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:29:41,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:29:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:29:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-13 13:29:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-13 13:29:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-13 13:29:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-13 13:29:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-13 13:29:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-13 13:29:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-13 13:29:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-13 13:29:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:29:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:29:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-13 13:29:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-13 13:29:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-13 13:29:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-13 13:29:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-13 13:29:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-13 13:29:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-13 13:29:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 13:29:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 13:29:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-13 13:29:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 13:29:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:29:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 13:29:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 13:29:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-13 13:29:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 13:29:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 13:29:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 13:29:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 13:29:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 13:29:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 13:29:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 13:29:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-13 13:29:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-13 13:29:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 13:29:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-13 13:29:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 13:29:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 13:29:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-13 13:29:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-13 13:29:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-13 13:29:41,814 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:29:41,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:30:04,903 INFO L? ?]: Removed 286 outVars from TransFormulas that were not future-live. [2024-11-13 13:30:04,903 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:30:04,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:30:04,923 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-13 13:30:04,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:30:04 BoogieIcfgContainer [2024-11-13 13:30:04,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:30:04,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:30:04,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:30:04,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:30:04,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:29:37" (1/3) ... [2024-11-13 13:30:04,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efea0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:30:04, skipping insertion in model container [2024-11-13 13:30:04,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:40" (2/3) ... [2024-11-13 13:30:04,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efea0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:30:04, skipping insertion in model container [2024-11-13 13:30:04,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:30:04" (3/3) ... [2024-11-13 13:30:04,941 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_16_16_thresh_3_unsafe.c-amalgamation.i [2024-11-13 13:30:04,960 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:30:04,962 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_16_16_thresh_3_unsafe.c-amalgamation.i that has 21 procedures, 241 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-11-13 13:30:05,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:30:05,066 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;@834406c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:30:05,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:30:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:30:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:30:05,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:05,090 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:05,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:30:05,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:05,096 INFO L85 PathProgramCache]: Analyzing trace with hash 235428699, now seen corresponding path program 1 times [2024-11-13 13:30:05,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:30:05,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671436194] [2024-11-13 13:30:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:05,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:30:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:30:05,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:30:05,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:30:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:32,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 4759 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:30:32,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:30:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 13:30:32,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:30:32,349 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:30:32,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671436194] [2024-11-13 13:30:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671436194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:32,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:32,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:30:32,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163412365] [2024-11-13 13:30:32,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:32,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:30:32,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:30:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:30:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:30:32,395 INFO L87 Difference]: Start difference. First operand has 181 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 13:30:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:30:32,453 INFO L93 Difference]: Finished difference Result 359 states and 597 transitions. [2024-11-13 13:30:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:30:32,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 83 [2024-11-13 13:30:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:30:32,469 INFO L225 Difference]: With dead ends: 359 [2024-11-13 13:30:32,469 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 13:30:32,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:30:32,482 INFO L432 NwaCegarLoop]: 250 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, 250 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:30:32,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:30:32,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 13:30:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-13 13:30:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:30:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 246 transitions. [2024-11-13 13:30:32,547 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 246 transitions. Word has length 83 [2024-11-13 13:30:32,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:30:32,548 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 246 transitions. [2024-11-13 13:30:32,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 13:30:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 246 transitions. [2024-11-13 13:30:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:30:32,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:30:32,554 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:32,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:30:32,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:30:32,755 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:30:32,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:32,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1591994487, now seen corresponding path program 1 times [2024-11-13 13:30:32,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:30:32,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56868650] [2024-11-13 13:30:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:30:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:30:32,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:30:32,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:30:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:56,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 4759 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:30:56,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:30:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 13:30:58,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:30:58,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:30:58,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56868650] [2024-11-13 13:30:58,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56868650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:58,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:58,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:30:58,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875260447] [2024-11-13 13:30:58,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:58,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:30:58,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:30:58,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:30:58,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:30:58,586 INFO L87 Difference]: Start difference. First operand 177 states and 246 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, (7), 3 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 13:31:03,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:07,088 WARN L539 Checker$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] [2024-11-13 13:31:11,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:15,107 WARN L539 Checker$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] [2024-11-13 13:31:19,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:23,128 WARN L539 Checker$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] [2024-11-13 13:31:27,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:32,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:36,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:40,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:41,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:46,181 WARN L539 Checker$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] [2024-11-13 13:31:50,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:54,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:31:59,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:32:04,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:32:08,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:32:12,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:32:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:32:12,291 INFO L93 Difference]: Finished difference Result 554 states and 779 transitions. [2024-11-13 13:32:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:32:12,292 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, (7), 3 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 83 [2024-11-13 13:32:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:32:12,297 INFO L225 Difference]: With dead ends: 554 [2024-11-13 13:32:12,297 INFO L226 Difference]: Without dead ends: 382 [2024-11-13 13:32:12,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:32:12,300 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 507 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 8 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:32:12,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 3206 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 631 Invalid, 14 Unknown, 0 Unchecked, 72.8s Time] [2024-11-13 13:32:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-13 13:32:12,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 365. [2024-11-13 13:32:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 328 states have (on average 1.4054878048780488) internal successors, (461), 332 states have internal predecessors, (461), 23 states have call successors, (23), 10 states have call predecessors, (23), 13 states have return successors, (32), 22 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-13 13:32:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 516 transitions. [2024-11-13 13:32:12,363 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 516 transitions. Word has length 83 [2024-11-13 13:32:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:32:12,364 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 516 transitions. [2024-11-13 13:32:12,364 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, (7), 3 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 13:32:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 516 transitions. [2024-11-13 13:32:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 13:32:12,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:32:12,368 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:32:12,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 13:32:12,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:32:12,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:32:12,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:32:12,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1782940442, now seen corresponding path program 1 times [2024-11-13 13:32:12,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:32:12,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659911383] [2024-11-13 13:32:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:12,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:32:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:32:12,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:32:12,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 13:32:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:34,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 4770 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:32:34,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:32:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 13:32:35,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:32:35,838 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:32:35,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659911383] [2024-11-13 13:32:35,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659911383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:32:35,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:32:35,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:32:35,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94648406] [2024-11-13 13:32:35,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:32:35,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:32:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:32:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:32:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:32:35,840 INFO L87 Difference]: Start difference. First operand 365 states and 516 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 13:32:40,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:32:44,260 WARN L539 Checker$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 [] [2024-11-13 13:32:48,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:32:52,278 WARN L539 Checker$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] [2024-11-13 13:32:56,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:33:02,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:33:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:33:02,783 INFO L93 Difference]: Finished difference Result 749 states and 1060 transitions. [2024-11-13 13:33:02,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:33:02,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 84 [2024-11-13 13:33:02,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:33:02,808 INFO L225 Difference]: With dead ends: 749 [2024-11-13 13:33:02,808 INFO L226 Difference]: Without dead ends: 389 [2024-11-13 13:33:02,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:33:02,811 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 448 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 31 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:33:02,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1319 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 236 Invalid, 5 Unknown, 0 Unchecked, 26.4s Time] [2024-11-13 13:33:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-13 13:33:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2024-11-13 13:33:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 338 states have (on average 1.4023668639053255) internal successors, (474), 342 states have internal predecessors, (474), 24 states have call successors, (24), 10 states have call predecessors, (24), 14 states have return successors, (35), 24 states have call predecessors, (35), 24 states have call successors, (35) [2024-11-13 13:33:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 533 transitions. [2024-11-13 13:33:02,875 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 533 transitions. Word has length 84 [2024-11-13 13:33:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:33:02,876 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 533 transitions. [2024-11-13 13:33:02,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 13:33:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 533 transitions. [2024-11-13 13:33:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 13:33:02,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:33:02,880 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:33:03,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 13:33:03,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:33:03,080 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:33:03,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:33:03,081 INFO L85 PathProgramCache]: Analyzing trace with hash 163907467, now seen corresponding path program 1 times [2024-11-13 13:33:03,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:33:03,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129971686] [2024-11-13 13:33:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:33:03,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:33:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:33:03,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:33:03,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 13:33:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:33:26,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:33:26,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:33:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 13:33:28,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:33:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:33:33,178 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:33:33,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129971686] [2024-11-13 13:33:33,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129971686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:33:33,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:33:33,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2024-11-13 13:33:33,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204913947] [2024-11-13 13:33:33,179 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:33:33,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 13:33:33,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:33:33,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 13:33:33,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:33:33,182 INFO L87 Difference]: Start difference. First operand 377 states and 533 transitions. Second operand has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 13:33:37,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:33:41,682 WARN L539 Checker$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] [2024-11-13 13:33:45,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:33:49,727 WARN L539 Checker$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] [2024-11-13 13:33:53,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:33:57,747 WARN L539 Checker$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] [2024-11-13 13:34:01,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:05,776 WARN L539 Checker$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 [] [2024-11-13 13:34:09,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:13,793 WARN L539 Checker$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] [2024-11-13 13:34:17,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:21,805 WARN L539 Checker$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 [] [2024-11-13 13:34:25,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:29,838 WARN L539 Checker$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 [1] [2024-11-13 13:34:33,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:34:39,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:44,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:48,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:55,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:34:57,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:02,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:06,452 WARN L539 Checker$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] [2024-11-13 13:35:11,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:16,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:30,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:33,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:38,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:43,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:35:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:35:43,282 INFO L93 Difference]: Finished difference Result 988 states and 1410 transitions. [2024-11-13 13:35:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:35:43,284 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) Word has length 85 [2024-11-13 13:35:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:35:43,289 INFO L225 Difference]: With dead ends: 988 [2024-11-13 13:35:43,289 INFO L226 Difference]: Without dead ends: 616 [2024-11-13 13:35:43,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:35:43,293 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 527 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 14 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 4234 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:35:43,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 4234 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 878 Invalid, 22 Unknown, 0 Unchecked, 120.6s Time] [2024-11-13 13:35:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-13 13:35:43,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 570. [2024-11-13 13:35:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 511 states have (on average 1.4109589041095891) internal successors, (721), 519 states have internal predecessors, (721), 35 states have call successors, (35), 15 states have call predecessors, (35), 23 states have return successors, (59), 35 states have call predecessors, (59), 35 states have call successors, (59) [2024-11-13 13:35:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 815 transitions. [2024-11-13 13:35:43,404 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 815 transitions. Word has length 85 [2024-11-13 13:35:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:35:43,405 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 815 transitions. [2024-11-13 13:35:43,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 13:35:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 815 transitions. [2024-11-13 13:35:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 13:35:43,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:35:43,409 INFO L215 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:35:43,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 13:35:43,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:35:43,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:35:43,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:35:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1739764727, now seen corresponding path program 2 times [2024-11-13 13:35:43,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:35:43,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98653143] [2024-11-13 13:35:43,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:35:43,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:35:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:35:43,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:35:43,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 13:36:06,270 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:36:06,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:36:06,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:36:06,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 13:36:06,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:36:06,734 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:36:06,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98653143] [2024-11-13 13:36:06,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98653143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:36:06,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:36:06,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:36:06,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138521466] [2024-11-13 13:36:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:36:06,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:36:06,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:36:06,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:36:06,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:36:06,736 INFO L87 Difference]: Start difference. First operand 570 states and 815 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 13:36:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:36:07,038 INFO L93 Difference]: Finished difference Result 1152 states and 1664 transitions. [2024-11-13 13:36:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:36:07,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2024-11-13 13:36:07,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:36:07,044 INFO L225 Difference]: With dead ends: 1152 [2024-11-13 13:36:07,044 INFO L226 Difference]: Without dead ends: 587 [2024-11-13 13:36:07,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:36:07,048 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 14 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:36:07,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 724 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:36:07,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-13 13:36:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 577. [2024-11-13 13:36:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 518 states have (on average 1.4054054054054055) internal successors, (728), 524 states have internal predecessors, (728), 35 states have call successors, (35), 15 states have call predecessors, (35), 23 states have return successors, (59), 37 states have call predecessors, (59), 35 states have call successors, (59) [2024-11-13 13:36:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 822 transitions. [2024-11-13 13:36:07,162 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 822 transitions. Word has length 91 [2024-11-13 13:36:07,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:36:07,162 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 822 transitions. [2024-11-13 13:36:07,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 13:36:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 822 transitions. [2024-11-13 13:36:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 13:36:07,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:36:07,166 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:36:07,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-13 13:36:07,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:36:07,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:36:07,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:36:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash 56847896, now seen corresponding path program 1 times [2024-11-13 13:36:07,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:36:07,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064311664] [2024-11-13 13:36:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:36:07,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:36:07,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:36:07,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:36:07,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 13:36:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:36:34,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 4809 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:36:34,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:36:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 58 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 13:36:36,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:36:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 13:36:44,698 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:36:44,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064311664] [2024-11-13 13:36:44,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064311664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:36:44,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:36:44,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-13 13:36:44,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381209889] [2024-11-13 13:36:44,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:36:44,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 13:36:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:36:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 13:36:44,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:36:44,701 INFO L87 Difference]: Start difference. First operand 577 states and 822 transitions. Second operand has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 13:36:49,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:36:53,483 WARN L539 Checker$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] [2024-11-13 13:36:57,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:37:01,504 WARN L539 Checker$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] [2024-11-13 13:37:05,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:37:09,524 WARN L539 Checker$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] [2024-11-13 13:37:13,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:37:17,556 WARN L539 Checker$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] [2024-11-13 13:37:21,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:37:25,575 WARN L539 Checker$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] [2024-11-13 13:37:29,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:37:33,597 WARN L539 Checker$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] [2024-11-13 13:37:37,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:37:41,615 WARN L539 Checker$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] [2024-11-13 13:37:45,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:37:49,712 WARN L539 Checker$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] [2024-11-13 13:37:53,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:37:57,741 WARN L539 Checker$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 [] [2024-11-13 13:38:01,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:38:05,774 WARN L539 Checker$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 [] [2024-11-13 13:38:23,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:38:24,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:38:28,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:38:32,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:38:42,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:38:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:38:43,015 INFO L93 Difference]: Finished difference Result 1225 states and 1761 transitions. [2024-11-13 13:38:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:38:43,033 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) Word has length 90 [2024-11-13 13:38:43,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:38:43,039 INFO L225 Difference]: With dead ends: 1225 [2024-11-13 13:38:43,040 INFO L226 Difference]: Without dead ends: 653 [2024-11-13 13:38:43,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 13:38:43,045 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 286 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 17 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:38:43,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 2884 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 788 Invalid, 20 Unknown, 0 Unchecked, 109.6s Time] [2024-11-13 13:38:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-13 13:38:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 585. [2024-11-13 13:38:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 525 states have (on average 1.4076190476190475) internal successors, (739), 531 states have internal predecessors, (739), 35 states have call successors, (35), 15 states have call predecessors, (35), 24 states have return successors, (62), 38 states have call predecessors, (62), 35 states have call successors, (62) [2024-11-13 13:38:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 836 transitions. [2024-11-13 13:38:43,176 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 836 transitions. Word has length 90 [2024-11-13 13:38:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:38:43,176 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 836 transitions. [2024-11-13 13:38:43,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 4 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 13:38:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 836 transitions. [2024-11-13 13:38:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 13:38:43,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:38:43,179 INFO L215 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:38:43,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 13:38:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:38:43,380 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:38:43,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:38:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash 79408856, now seen corresponding path program 2 times [2024-11-13 13:38:43,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:38:43,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616255236] [2024-11-13 13:38:43,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:38:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:38:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:38:43,385 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:38:43,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31b1c01-a00e-47b2-9df2-74c65db29cf0/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process