./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX --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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:00:42,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:00:42,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:00:42,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:00:42,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:00:42,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:00:42,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:00:42,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:00:42,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:00:42,164 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:00:42,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:00:42,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:00:42,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:00:42,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:00:42,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:00:42,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:00:42,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:00:42,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:00:42,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:00:42,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:00:42,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:00:42,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:00:42,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:00:42,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:00:42,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:00:42,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:00:42,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:00:42,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:00:42,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:00:42,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:00:42,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:00:42,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:00:42,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:00:42,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:00:42,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:00:42,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:00:42,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:00:42,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:00:42,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:00:42,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:00:42,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:00:42,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:00:42,179 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2024-11-08 18:00:42,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:00:42,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:00:42,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:00:42,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:00:42,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:00:42,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 18:00:44,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:00:45,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:00:45,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-08 18:00:45,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/02cb00809/150b6d55c99445e3aab214ea3c59e968/FLAG89ff98cf9 [2024-11-08 18:00:45,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/02cb00809/150b6d55c99445e3aab214ea3c59e968 [2024-11-08 18:00:45,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:00:45,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:00:45,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:00:45,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:00:45,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:00:45,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:00:45" (1/1) ... [2024-11-08 18:00:45,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddab883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:45, skipping insertion in model container [2024-11-08 18:00:45,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:00:45" (1/1) ... [2024-11-08 18:00:45,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:00:46,409 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:1507) 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:3216) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2295) 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:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) 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) [2024-11-08 18:00:46,414 INFO L158 Benchmark]: Toolchain (without parser) took 1312.45ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 122.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:00:46,415 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:00:46,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.52ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 122.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:00:46,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 74.1MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.52ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 122.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX --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 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:00:48,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:00:48,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:00:48,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:00:48,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:00:48,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:00:48,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:00:48,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:00:48,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:00:48,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:00:48,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:00:48,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:00:48,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:00:48,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:00:48,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:00:48,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:00:48,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:00:48,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:00:48,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:00:48,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:00:48,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:00:48,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:00:48,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:00:48,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:00:48,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:00:48,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:00:48,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:00:48,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:00:48,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:00:48,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:00:48,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:00:48,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:00:48,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:00:48,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:00:48,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:00:48,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:00:48,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:00:48,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:00:48,844 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:00:48,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:00:48,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:00:48,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:00:48,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:00:48,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:00:48,847 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1989670d21f4dde7de80eedd61cf811668adc000c2dc155809133b56209415d3 [2024-11-08 18:00:49,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:00:49,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:00:49,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:00:49,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:00:49,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:00:49,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 18:00:51,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:00:51,926 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:00:51,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-08 18:00:51,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/43cd1b518/ef62f35eeb0b4dffa6f523d156a95e49/FLAGf5e455354 [2024-11-08 18:00:51,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/data/43cd1b518/ef62f35eeb0b4dffa6f523d156a95e49 [2024-11-08 18:00:51,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:00:51,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:00:51,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:00:51,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:00:52,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:00:52,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:00:51" (1/1) ... [2024-11-08 18:00:52,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d8fd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:52, skipping insertion in model container [2024-11-08 18:00:52,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:00:51" (1/1) ... [2024-11-08 18:00:52,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:00:53,315 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_ef201d1b-9a99-4362-9641-14a2347d04d6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2024-11-08 18:00:53,685 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 18:00:53,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:00:53,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:00:53,812 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_ef201d1b-9a99-4362-9641-14a2347d04d6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i[71475,71488] [2024-11-08 18:00:53,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:00:54,213 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:00:54,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54 WrapperNode [2024-11-08 18:00:54,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:00:54,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:00:54,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:00:54,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:00:54,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,399 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-11-08 18:00:54,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:00:54,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:00:54,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:00:54,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:00:54,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,517 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [117, 118, 2, 7, 2, 44, 4, 19, 85, 2, 6, 4, 4, 2, 4, 3]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [26, 88, 2, 7, 2, 40, 0, 17, 73, 0, 0, 0, 1, 0, 1, 0]. The 84 writes are split as follows [69, 0, 0, 0, 0, 0, 2, 0, 4, 1, 3, 2, 0, 1, 0, 2]. [2024-11-08 18:00:54,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:00:54,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:00:54,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:00:54,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:00:54,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (1/1) ... [2024-11-08 18:00:54,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:00:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:00:54,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:00:54,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 18:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 18:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 18:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 18:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 18:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 18:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 18:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 18:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 18:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 18:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-08 18:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-08 18:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-08 18:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-08 18:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-08 18:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-08 18:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-08 18:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-08 18:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-08 18:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-08 18:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-08 18:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-08 18:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-08 18:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-08 18:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-08 18:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:00:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 18:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-08 18:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-08 18:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-08 18:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-08 18:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-08 18:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-08 18:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-08 18:00:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-08 18:00:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 18:00:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-08 18:00:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-08 18:00:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-08 18:00:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:00:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 18:00:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 18:00:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-08 18:00:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 18:00:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 18:00:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 18:00:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 18:00:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 18:00:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 18:00:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 18:00:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 18:00:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-08 18:00:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-08 18:00:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-08 18:00:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 18:00:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 18:00:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 18:00:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 18:00:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 18:00:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 18:00:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 18:00:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 18:00:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 18:00:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 18:00:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 18:00:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 18:00:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 18:00:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 18:00:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 18:00:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 18:00:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 18:00:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-08 18:00:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 18:00:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 18:00:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 18:00:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 18:00:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 18:00:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 18:00:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-08 18:00:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-08 18:00:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-08 18:00:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-08 18:00:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-08 18:00:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 18:00:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 18:00:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 18:00:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 18:00:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-08 18:00:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-08 18:00:55,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:00:55,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:01:19,663 INFO L? ?]: Removed 343 outVars from TransFormulas that were not future-live. [2024-11-08 18:01:19,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:01:19,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:01:19,689 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 18:01:19,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:19 BoogieIcfgContainer [2024-11-08 18:01:19,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:01:19,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:01:19,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:01:19,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:01:19,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:00:51" (1/3) ... [2024-11-08 18:01:19,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53770e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:19, skipping insertion in model container [2024-11-08 18:01:19,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:00:54" (2/3) ... [2024-11-08 18:01:19,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53770e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:01:19, skipping insertion in model container [2024-11-08 18:01:19,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:01:19" (3/3) ... [2024-11-08 18:01:19,701 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_5_unsafe.c-amalgamation.i [2024-11-08 18:01:19,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:01:19,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:01:19,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:01:19,829 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;@67835ab0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:01:19,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:01:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 18:01:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:01:19,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:19,856 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:19,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:01:19,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:19,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1284295937, now seen corresponding path program 1 times [2024-11-08 18:01:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:01:19,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721468258] [2024-11-08 18:01:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:19,885 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 [2024-11-08 18:01:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:01:19,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:01:19,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:23,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:01:23,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:01:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:01:23,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:01:23,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:01:23,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721468258] [2024-11-08 18:01:23,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721468258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:01:23,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:01:23,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:01:23,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248927928] [2024-11-08 18:01:23,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:01:23,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:01:23,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:01:23,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:01:23,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:01:23,512 INFO L87 Difference]: Start difference. First operand has 223 states, 203 states have (on average 1.5467980295566504) internal successors, (314), 204 states have internal predecessors, (314), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:01:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:01:23,576 INFO L93 Difference]: Finished difference Result 443 states and 681 transitions. [2024-11-08 18:01:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:01:23,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 133 [2024-11-08 18:01:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:01:23,591 INFO L225 Difference]: With dead ends: 443 [2024-11-08 18:01:23,592 INFO L226 Difference]: Without dead ends: 219 [2024-11-08 18:01:23,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:01:23,602 INFO L432 NwaCegarLoop]: 334 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, 334 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 [2024-11-08 18:01:23,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:01:23,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-08 18:01:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-08 18:01:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 200 states have (on average 1.52) internal successors, (304), 200 states have internal predecessors, (304), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 18:01:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 330 transitions. [2024-11-08 18:01:23,668 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 330 transitions. Word has length 133 [2024-11-08 18:01:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:01:23,668 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 330 transitions. [2024-11-08 18:01:23,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-08 18:01:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2024-11-08 18:01:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:01:23,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:23,682 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:23,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:23,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:23,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:01:23,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash 739423363, now seen corresponding path program 1 times [2024-11-08 18:01:23,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:01:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489391361] [2024-11-08 18:01:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:23,892 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 [2024-11-08 18:01:23,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:01:23,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:01:23,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:27,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:01:27,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:01:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 18:01:29,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:01:29,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:01:29,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489391361] [2024-11-08 18:01:29,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489391361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:01:29,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:01:29,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:01:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016458527] [2024-11-08 18:01:29,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:01:29,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:01:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:01:29,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:01:29,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:01:29,578 INFO L87 Difference]: Start difference. First operand 219 states and 330 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 18:01:33,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:01:37,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:01:41,788 WARN L539 Checker$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] [2024-11-08 18:01:45,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:01:49,816 WARN L539 Checker$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 [] [2024-11-08 18:01:54,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:01:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:01:54,778 INFO L93 Difference]: Finished difference Result 450 states and 683 transitions. [2024-11-08 18:01:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:01:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 133 [2024-11-08 18:01:54,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:01:54,783 INFO L225 Difference]: With dead ends: 450 [2024-11-08 18:01:54,784 INFO L226 Difference]: Without dead ends: 236 [2024-11-08 18:01:54,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:01:54,786 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 328 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:01:54,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1822 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 237 Invalid, 5 Unknown, 0 Unchecked, 24.7s Time] [2024-11-08 18:01:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-08 18:01:54,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-11-08 18:01:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 214 states have (on average 1.514018691588785) internal successors, (324), 215 states have internal predecessors, (324), 15 states have call successors, (15), 5 states have call predecessors, (15), 6 states have return successors, (19), 15 states have call predecessors, (19), 15 states have call successors, (19) [2024-11-08 18:01:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 358 transitions. [2024-11-08 18:01:54,823 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 358 transitions. Word has length 133 [2024-11-08 18:01:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:01:54,823 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 358 transitions. [2024-11-08 18:01:54,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-08 18:01:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 358 transitions. [2024-11-08 18:01:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:01:54,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:01:54,829 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:01:54,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:55,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:55,030 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:01:55,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:01:55,031 INFO L85 PathProgramCache]: Analyzing trace with hash 309765057, now seen corresponding path program 1 times [2024-11-08 18:01:55,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:01:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102836161] [2024-11-08 18:01:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:55,033 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 [2024-11-08 18:01:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:01:55,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:01:55,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:01:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:58,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:01:58,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:01:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 18:01:59,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:01:59,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:01:59,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102836161] [2024-11-08 18:01:59,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102836161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:01:59,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:01:59,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 18:01:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60216417] [2024-11-08 18:01:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:01:59,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:01:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:01:59,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:01:59,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:01:59,977 INFO L87 Difference]: Start difference. First operand 236 states and 358 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, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-08 18:02:04,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:08,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:12,153 WARN L539 Checker$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] [2024-11-08 18:02:16,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:20,161 WARN L539 Checker$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] [2024-11-08 18:02:24,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:28,171 WARN L539 Checker$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] [2024-11-08 18:02:32,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:37,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:40,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:43,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:47,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:51,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:02:55,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:00,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:05,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:10,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:14,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:18,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:18,189 INFO L93 Difference]: Finished difference Result 718 states and 1100 transitions. [2024-11-08 18:03:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 18:03:18,194 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, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) Word has length 133 [2024-11-08 18:03:18,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:18,198 INFO L225 Difference]: With dead ends: 718 [2024-11-08 18:03:18,198 INFO L226 Difference]: Without dead ends: 487 [2024-11-08 18:03:18,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:03:18,201 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 668 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 13 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 3901 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:18,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 3901 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 780 Invalid, 15 Unknown, 0 Unchecked, 77.5s Time] [2024-11-08 18:03:18,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-08 18:03:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 467. [2024-11-08 18:03:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 424 states have (on average 1.5235849056603774) internal successors, (646), 428 states have internal predecessors, (646), 28 states have call successors, (28), 10 states have call predecessors, (28), 14 states have return successors, (45), 28 states have call predecessors, (45), 28 states have call successors, (45) [2024-11-08 18:03:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 719 transitions. [2024-11-08 18:03:18,278 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 719 transitions. Word has length 133 [2024-11-08 18:03:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:18,281 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 719 transitions. [2024-11-08 18:03:18,284 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, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-08 18:03:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 719 transitions. [2024-11-08 18:03:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:03:18,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:18,290 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:03:18,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 18:03:18,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:03:18,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:18,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:18,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1140362456, now seen corresponding path program 1 times [2024-11-08 18:03:18,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:03:18,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049723790] [2024-11-08 18:03:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:18,494 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 [2024-11-08 18:03:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:03:18,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:03:18,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:03:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:22,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:03:22,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 18:03:23,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:03:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 18:03:28,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:03:28,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049723790] [2024-11-08 18:03:28,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049723790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:03:28,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:03:28,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2024-11-08 18:03:28,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406674357] [2024-11-08 18:03:28,099 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:03:28,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 18:03:28,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:03:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 18:03:28,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:03:28,102 INFO L87 Difference]: Start difference. First operand 467 states and 719 transitions. Second operand has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:03:32,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:36,344 WARN L539 Checker$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 [] [2024-11-08 18:03:40,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:44,355 WARN L539 Checker$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] [2024-11-08 18:03:48,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:03:52,370 WARN L539 Checker$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] [2024-11-08 18:03:56,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:00,379 WARN L539 Checker$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] [2024-11-08 18:04:04,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:04:08,388 WARN L539 Checker$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 [] [2024-11-08 18:04:12,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:04:16,397 WARN L539 Checker$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 [] [2024-11-08 18:04:20,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:24,408 WARN L539 Checker$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] [2024-11-08 18:04:28,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:04:33,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:39,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:43,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:53,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:04:56,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:02,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:03,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:05,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:09,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:14,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:31,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:35,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:37,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:44,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:48,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:05:52,854 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] [2024-11-08 18:05:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:05:52,854 INFO L93 Difference]: Finished difference Result 1222 states and 1900 transitions. [2024-11-08 18:05:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 18:05:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 134 [2024-11-08 18:05:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:05:52,865 INFO L225 Difference]: With dead ends: 1222 [2024-11-08 18:05:52,865 INFO L226 Difference]: Without dead ends: 760 [2024-11-08 18:05:52,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 18:05:52,870 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 718 mSDsluCounter, 6410 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 19 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 7001 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:05:52,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 7001 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1252 Invalid, 24 Unknown, 0 Unchecked, 134.8s Time] [2024-11-08 18:05:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-08 18:05:53,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 705. [2024-11-08 18:05:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 640 states have (on average 1.5296875) internal successors, (979), 648 states have internal predecessors, (979), 41 states have call successors, (41), 15 states have call predecessors, (41), 23 states have return successors, (77), 41 states have call predecessors, (77), 41 states have call successors, (77) [2024-11-08 18:05:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1097 transitions. [2024-11-08 18:05:53,011 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1097 transitions. Word has length 134 [2024-11-08 18:05:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:05:53,012 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 1097 transitions. [2024-11-08 18:05:53,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.0625) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:05:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1097 transitions. [2024-11-08 18:05:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:05:53,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:05:53,019 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:05:53,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-08 18:05:53,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:05:53,219 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:05:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1474479489, now seen corresponding path program 2 times [2024-11-08 18:05:53,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:05:53,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976491630] [2024-11-08 18:05:53,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:05:53,221 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 [2024-11-08 18:05:53,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:05:53,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:05:53,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:06:14,416 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:06:14,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:06:14,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:06:14,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:06:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 112 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 18:06:16,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:06:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 18:06:23,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:06:23,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976491630] [2024-11-08 18:06:23,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976491630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:06:23,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:06:23,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-08 18:06:23,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732221620] [2024-11-08 18:06:23,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:06:23,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 18:06:23,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:06:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 18:06:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:06:23,860 INFO L87 Difference]: Start difference. First operand 705 states and 1097 transitions. Second operand has 26 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 25 states have internal predecessors, (87), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:06:28,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:06:32,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:06:36,332 WARN L539 Checker$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 [] [2024-11-08 18:06:40,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:06:44,343 WARN L539 Checker$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] [2024-11-08 18:06:48,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:06:52,356 WARN L539 Checker$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] [2024-11-08 18:06:56,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:07:00,371 WARN L539 Checker$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] [2024-11-08 18:07:04,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:08,379 WARN L539 Checker$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] [2024-11-08 18:07:12,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:16,391 WARN L539 Checker$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] [2024-11-08 18:07:20,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:24,400 WARN L539 Checker$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] [2024-11-08 18:07:28,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:32,434 WARN L539 Checker$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] [2024-11-08 18:07:36,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:40,445 WARN L539 Checker$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] [2024-11-08 18:07:44,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:04,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:07,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:08:09,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:22,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:22,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:08:22,588 INFO L93 Difference]: Finished difference Result 1495 states and 2346 transitions. [2024-11-08 18:08:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 18:08:22,593 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 25 states have internal predecessors, (87), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 137 [2024-11-08 18:08:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:08:22,609 INFO L225 Difference]: With dead ends: 1495 [2024-11-08 18:08:22,613 INFO L226 Difference]: Without dead ends: 795 [2024-11-08 18:08:22,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 18:08:22,623 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 723 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 55 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 3249 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:08:22,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 3249 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 774 Invalid, 20 Unknown, 0 Unchecked, 107.6s Time] [2024-11-08 18:08:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-08 18:08:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 711. [2024-11-08 18:08:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 645 states have (on average 1.531782945736434) internal successors, (988), 654 states have internal predecessors, (988), 41 states have call successors, (41), 15 states have call predecessors, (41), 24 states have return successors, (80), 41 states have call predecessors, (80), 41 states have call successors, (80) [2024-11-08 18:08:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1109 transitions. [2024-11-08 18:08:22,815 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1109 transitions. Word has length 137 [2024-11-08 18:08:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:08:22,816 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1109 transitions. [2024-11-08 18:08:22,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 3.9545454545454546) internal successors, (87), 25 states have internal predecessors, (87), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:08:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1109 transitions. [2024-11-08 18:08:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 18:08:22,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:08:22,823 INFO L215 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:08:22,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:23,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:08:23,024 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:08:23,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash -488110271, now seen corresponding path program 3 times [2024-11-08 18:08:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:08:23,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495131784] [2024-11-08 18:08:23,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:08:23,027 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 [2024-11-08 18:08:23,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:08:23,030 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:08:23,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:08:43,331 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 18:08:43,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:08:43,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:08:43,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:08:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:08:45,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:08:45,119 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:08:45,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495131784] [2024-11-08 18:08:45,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495131784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:08:45,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:08:45,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:08:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416818977] [2024-11-08 18:08:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:08:45,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:08:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:08:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:08:45,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:08:45,122 INFO L87 Difference]: Start difference. First operand 711 states and 1109 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:08:46,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:08:46,144 INFO L93 Difference]: Finished difference Result 743 states and 1172 transitions. [2024-11-08 18:08:46,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:08:46,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 141 [2024-11-08 18:08:46,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:08:46,152 INFO L225 Difference]: With dead ends: 743 [2024-11-08 18:08:46,152 INFO L226 Difference]: Without dead ends: 738 [2024-11-08 18:08:46,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:08:46,154 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 462 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:08:46,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1021 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:08:46,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-08 18:08:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2024-11-08 18:08:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 663 states have (on average 1.5173453996983408) internal successors, (1006), 672 states have internal predecessors, (1006), 41 states have call successors, (41), 15 states have call predecessors, (41), 33 states have return successors, (112), 50 states have call predecessors, (112), 41 states have call successors, (112) [2024-11-08 18:08:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1159 transitions. [2024-11-08 18:08:46,309 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1159 transitions. Word has length 141 [2024-11-08 18:08:46,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:08:46,309 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 1159 transitions. [2024-11-08 18:08:46,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:08:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1159 transitions. [2024-11-08 18:08:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:08:46,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:08:46,316 INFO L215 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:08:46,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:08:46,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:08:46,517 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:08:46,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1949704547, now seen corresponding path program 1 times [2024-11-08 18:08:46,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:08:46,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958211795] [2024-11-08 18:08:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:08:46,519 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 [2024-11-08 18:08:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:08:46,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:08:46,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-08 18:08:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:50,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 2154 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 18:08:50,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:08:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 125 proven. 36 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-08 18:08:53,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:09:05,037 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 18:09:05,037 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:09:05,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958211795] [2024-11-08 18:09:05,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958211795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:09:05,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:09:05,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2024-11-08 18:09:05,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699494886] [2024-11-08 18:09:05,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:09:05,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 18:09:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:09:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 18:09:05,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 18:09:05,041 INFO L87 Difference]: Start difference. First operand 738 states and 1159 transitions. Second operand has 34 states, 30 states have (on average 3.5) internal successors, (105), 33 states have internal predecessors, (105), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:09:09,487 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 [] [2024-11-08 18:09:13,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:17,498 WARN L539 Checker$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] [2024-11-08 18:09:21,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:25,511 WARN L539 Checker$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] [2024-11-08 18:09:29,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:33,518 WARN L539 Checker$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] [2024-11-08 18:09:37,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:09:41,531 WARN L539 Checker$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] [2024-11-08 18:09:45,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:49,543 WARN L539 Checker$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] [2024-11-08 18:09:53,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:09:57,556 WARN L539 Checker$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 [] [2024-11-08 18:10:01,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:05,574 WARN L539 Checker$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] [2024-11-08 18:10:09,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:13,591 WARN L539 Checker$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] [2024-11-08 18:10:17,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:10:21,607 WARN L539 Checker$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] [2024-11-08 18:10:25,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:29,618 WARN L539 Checker$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] [2024-11-08 18:10:33,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:37,638 WARN L539 Checker$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] [2024-11-08 18:10:41,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:45,647 WARN L539 Checker$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] [2024-11-08 18:10:49,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:53,664 WARN L539 Checker$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] [2024-11-08 18:10:57,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:11:21,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:11:29,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:11:39,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:11:50,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:11:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:11:50,920 INFO L93 Difference]: Finished difference Result 1596 states and 2533 transitions. [2024-11-08 18:11:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 18:11:50,924 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 3.5) internal successors, (105), 33 states have internal predecessors, (105), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 142 [2024-11-08 18:11:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:11:50,930 INFO L225 Difference]: With dead ends: 1596 [2024-11-08 18:11:50,931 INFO L226 Difference]: Without dead ends: 863 [2024-11-08 18:11:50,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=413, Invalid=2343, Unknown=0, NotChecked=0, Total=2756 [2024-11-08 18:11:50,937 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 395 mSDsluCounter, 4676 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 23 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:11:50,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 4993 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1344 Invalid, 30 Unknown, 0 Unchecked, 154.7s Time] [2024-11-08 18:11:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2024-11-08 18:11:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 742. [2024-11-08 18:11:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 667 states have (on average 1.52023988005997) internal successors, (1014), 676 states have internal predecessors, (1014), 41 states have call successors, (41), 15 states have call predecessors, (41), 33 states have return successors, (112), 50 states have call predecessors, (112), 41 states have call successors, (112) [2024-11-08 18:11:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1167 transitions. [2024-11-08 18:11:51,118 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1167 transitions. Word has length 142 [2024-11-08 18:11:51,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:11:51,118 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1167 transitions. [2024-11-08 18:11:51,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 3.5) internal successors, (105), 33 states have internal predecessors, (105), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:11:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1167 transitions. [2024-11-08 18:11:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 18:11:51,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:51,127 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:51,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-08 18:11:51,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:11:51,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:11:51,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1731637019, now seen corresponding path program 2 times [2024-11-08 18:11:51,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:11:51,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817605280] [2024-11-08 18:11:51,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:11:51,330 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 [2024-11-08 18:11:51,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:11:51,331 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:11:51,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef201d1b-9a99-4362-9641-14a2347d04d6/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 18:12:13,384 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:12:13,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:12:13,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 2201 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 18:12:13,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:12:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 132 proven. 78 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-08 18:12:17,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:12:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-08 18:12:34,990 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:12:34,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817605280] [2024-11-08 18:12:34,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817605280] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:12:34,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:12:34,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 42 [2024-11-08 18:12:34,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289445435] [2024-11-08 18:12:34,991 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:12:34,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-08 18:12:34,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:12:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-08 18:12:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1456, Unknown=0, NotChecked=0, Total=1722 [2024-11-08 18:12:34,994 INFO L87 Difference]: Start difference. First operand 742 states and 1167 transitions. Second operand has 42 states, 38 states have (on average 2.8684210526315788) internal successors, (109), 41 states have internal predecessors, (109), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-08 18:12:39,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:12:43,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:12:47,636 WARN L539 Checker$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] [2024-11-08 18:12:51,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:12:55,651 WARN L539 Checker$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] [2024-11-08 18:12:59,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 18:13:03,665 WARN L539 Checker$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] [2024-11-08 18:13:07,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:13:11,674 WARN L539 Checker$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] [2024-11-08 18:13:15,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:13:19,754 WARN L539 Checker$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] [2024-11-08 18:13:23,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:13:27,765 WARN L539 Checker$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] [2024-11-08 18:13:31,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:13:35,780 WARN L539 Checker$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] [2024-11-08 18:13:39,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:13:43,793 WARN L539 Checker$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] [2024-11-08 18:13:47,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:13:51,802 WARN L539 Checker$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] [2024-11-08 18:13:55,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:13:59,816 WARN L539 Checker$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] [2024-11-08 18:14:03,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:14:07,830 WARN L539 Checker$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] [2024-11-08 18:14:11,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:14:15,847 WARN L539 Checker$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] [2024-11-08 18:14:19,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:14:23,860 WARN L539 Checker$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 [] [2024-11-08 18:14:27,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:14:31,873 WARN L539 Checker$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] [2024-11-08 18:14:35,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:14:39,887 WARN L539 Checker$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] [2024-11-08 18:14:43,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 18:14:47,899 WARN L539 Checker$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 [] [2024-11-08 18:14:51,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:14:55,910 WARN L539 Checker$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] [2024-11-08 18:14:59,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:15:26,100 WARN L539 Checker$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] [2024-11-08 18:15:28,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:15:31,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:15:34,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:15:36,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:15:38,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-08 18:15:48,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1]