./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9262738f857d058ab6e9c973d51bf29df88838275814a926333dd605f604bcbc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:44:41,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:44:41,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:44:41,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:44:41,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:44:41,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:44:41,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:44:41,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:44:41,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:44:41,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:44:41,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:44:41,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:44:41,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:44:41,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:44:41,811 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:44:41,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:44:41,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:44:41,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:44:41,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:44:41,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:41,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:44:41,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:44:41,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:44:41,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:44:41,816 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9262738f857d058ab6e9c973d51bf29df88838275814a926333dd605f604bcbc [2024-11-13 15:44:42,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:44:42,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:44:42,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:44:42,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:44:42,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:44:42,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 15:44:44,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:44:44,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:44:44,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i [2024-11-13 15:44:44,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/1797d58d4/32289f8e31e34b72b1cb57d72b83a91a/FLAGb662c69da [2024-11-13 15:44:44,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/1797d58d4/32289f8e31e34b72b1cb57d72b83a91a [2024-11-13 15:44:44,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:44:44,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:44:44,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:44,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:44:44,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:44:44,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:44" (1/1) ... [2024-11-13 15:44:44,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb49e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:44, skipping insertion in model container [2024-11-13 15:44:44,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:44" (1/1) ... [2024-11-13 15:44:44,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:44:45,935 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_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i[71688,71701] [2024-11-13 15:44:46,252 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1516) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) 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.handleLoopBody(CHandler.java:3610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1563) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 15:44:46,260 INFO L158 Benchmark]: Toolchain (without parser) took 1639.80ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 56.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:44:46,260 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:44:46,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1636.29ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 56.4MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:44:46,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1636.29ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 56.4MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9262738f857d058ab6e9c973d51bf29df88838275814a926333dd605f604bcbc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:44:48,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:44:48,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:44:48,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:44:48,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:44:48,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:44:48,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:44:48,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:44:48,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:44:48,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:44:48,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:44:48,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:44:48,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:44:48,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:44:48,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:44:48,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:44:48,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:44:48,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:48,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:44:48,977 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:44:48,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:44:48,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:44:48,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:44:48,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:44:48,979 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9262738f857d058ab6e9c973d51bf29df88838275814a926333dd605f604bcbc [2024-11-13 15:44:49,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:44:49,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:44:49,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:44:49,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:44:49,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:44:49,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 15:44:51,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:44:51,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:44:51,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i [2024-11-13 15:44:51,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/ef5a6951d/d03e589c451445e28885a8e964d66392/FLAGda86c25ca [2024-11-13 15:44:51,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/data/ef5a6951d/d03e589c451445e28885a8e964d66392 [2024-11-13 15:44:51,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:44:51,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:44:51,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:51,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:44:51,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:44:51,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:51" (1/1) ... [2024-11-13 15:44:51,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb1a43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:51, skipping insertion in model container [2024-11-13 15:44:51,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:51" (1/1) ... [2024-11-13 15:44:52,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:44:53,229 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_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i[71688,71701] [2024-11-13 15:44:53,607 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 15:44:53,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:53,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:44:53,786 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_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/sv-benchmarks/c/neural-networks/softsign_w8_r4_case_0_safe.c-amalgamation.i[71688,71701] [2024-11-13 15:44:53,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:54,235 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:44:54,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54 WrapperNode [2024-11-13 15:44:54,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:54,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:54,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:44:54,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:44:54,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,366 INFO L138 Inliner]: procedures = 780, calls = 1217, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 596 [2024-11-13 15:44:54,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:54,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:44:54,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:44:54,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:44:54,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,428 INFO L175 MemorySlicer]: Split 345 memory accesses to 12 slices as follows [2, 55, 7, 2, 36, 12, 9, 59, 11, 11, 131, 10]. 38 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [2, 24, 7, 2, 32, 8, 8, 40, 8, 8, 0, 8]. The 156 writes are split as follows [0, 14, 0, 0, 3, 0, 0, 9, 0, 0, 130, 0]. [2024-11-13 15:44:54,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:44:54,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:44:54,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:44:54,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:44:54,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (1/1) ... [2024-11-13 15:44:54,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:44:54,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:44:54,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:44:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:44:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:44:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-13 15:44:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-13 15:44:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-13 15:44:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-13 15:44:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-13 15:44:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-13 15:44:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-13 15:44:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-13 15:44:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-13 15:44:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-13 15:44:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:44:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-13 15:44:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-13 15:44:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-13 15:44:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-13 15:44:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-13 15:44:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-13 15:44:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-13 15:44:54,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-13 15:44:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-13 15:44:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:44:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:44:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:44:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:44:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-13 15:44:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 15:44:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:44:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-13 15:44:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-13 15:44:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-13 15:44:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 15:44:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 15:44:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-13 15:44:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-13 15:44:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-13 15:44:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-13 15:44:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-13 15:44:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 15:44:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 15:44:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:44:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:44:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:44:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 15:44:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 15:44:55,106 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:44:55,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:45:09,926 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-13 15:45:09,927 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:45:09,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:45:09,947 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 15:45:09,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:45:09 BoogieIcfgContainer [2024-11-13 15:45:09,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:45:09,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:45:09,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:45:09,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:45:09,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:44:51" (1/3) ... [2024-11-13 15:45:09,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b425901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:45:09, skipping insertion in model container [2024-11-13 15:45:09,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:54" (2/3) ... [2024-11-13 15:45:09,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b425901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:45:09, skipping insertion in model container [2024-11-13 15:45:09,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:45:09" (3/3) ... [2024-11-13 15:45:09,962 INFO L112 eAbstractionObserver]: Analyzing ICFG softsign_w8_r4_case_0_safe.c-amalgamation.i [2024-11-13 15:45:09,977 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:45:09,979 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG softsign_w8_r4_case_0_safe.c-amalgamation.i that has 17 procedures, 163 locations, 1 initial locations, 32 loop locations, and 1 error locations. [2024-11-13 15:45:10,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:45:10,064 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;@20ef27e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:45:10,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:45:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 105 states have (on average 1.619047619047619) internal successors, (170), 106 states have internal predecessors, (170), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:45:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:45:10,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:10,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:10,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:10,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:10,086 INFO L85 PathProgramCache]: Analyzing trace with hash 564228638, now seen corresponding path program 1 times [2024-11-13 15:45:10,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:45:10,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174084875] [2024-11-13 15:45:10,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:45:10,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:45:10,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:45:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:45:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:14,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:45:14,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:14,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:45:14,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:45:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174084875] [2024-11-13 15:45:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174084875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:14,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:45:14,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563193981] [2024-11-13 15:45:14,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:14,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:45:14,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:45:14,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:45:14,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:45:14,734 INFO L87 Difference]: Start difference. First operand has 119 states, 105 states have (on average 1.619047619047619) internal successors, (170), 106 states have internal predecessors, (170), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:45:14,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:14,765 INFO L93 Difference]: Finished difference Result 234 states and 368 transitions. [2024-11-13 15:45:14,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:45:14,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-13 15:45:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:14,774 INFO L225 Difference]: With dead ends: 234 [2024-11-13 15:45:14,774 INFO L226 Difference]: Without dead ends: 115 [2024-11-13 15:45:14,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:45:14,781 INFO L432 NwaCegarLoop]: 160 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, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:14,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:45:14,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-13 15:45:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-13 15:45:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 102 states have (on average 1.392156862745098) internal successors, (142), 102 states have internal predecessors, (142), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:45:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 156 transitions. [2024-11-13 15:45:14,823 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 156 transitions. Word has length 23 [2024-11-13 15:45:14,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:14,824 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 156 transitions. [2024-11-13 15:45:14,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:45:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2024-11-13 15:45:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:45:14,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:14,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:14,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:45:15,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:45:15,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:15,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:15,026 INFO L85 PathProgramCache]: Analyzing trace with hash 201452101, now seen corresponding path program 1 times [2024-11-13 15:45:15,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:45:15,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254625073] [2024-11-13 15:45:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:15,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:45:15,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:45:15,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:45:15,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 15:45:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:19,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 15:45:19,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:45:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:45:22,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:45:22,991 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:45:22,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254625073] [2024-11-13 15:45:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254625073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:22,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:22,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:45:22,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267785613] [2024-11-13 15:45:22,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:22,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:45:22,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:45:22,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:45:22,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:45:22,995 INFO L87 Difference]: Start difference. First operand 115 states and 156 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:45:27,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:45:31,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:45:35,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:45:39,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:45:43,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:45:48,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:45:53,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:45:58,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:46:03,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:46:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:14,152 INFO L93 Difference]: Finished difference Result 138 states and 186 transitions. [2024-11-13 15:46:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:46:14,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-13 15:46:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:14,159 INFO L225 Difference]: With dead ends: 138 [2024-11-13 15:46:14,159 INFO L226 Difference]: Without dead ends: 127 [2024-11-13 15:46:14,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:46:14,160 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 205 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:14,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 685 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 9 Unknown, 0 Unchecked, 51.1s Time] [2024-11-13 15:46:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-13 15:46:14,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 116. [2024-11-13 15:46:14,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 103 states have (on average 1.3883495145631068) internal successors, (143), 103 states have internal predecessors, (143), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:46:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 157 transitions. [2024-11-13 15:46:14,181 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 157 transitions. Word has length 23 [2024-11-13 15:46:14,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:14,181 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 157 transitions. [2024-11-13 15:46:14,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:46:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 157 transitions. [2024-11-13 15:46:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:46:14,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:14,183 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:14,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 15:46:14,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:46:14,384 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:14,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:14,384 INFO L85 PathProgramCache]: Analyzing trace with hash 752034664, now seen corresponding path program 1 times [2024-11-13 15:46:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:46:14,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980398880] [2024-11-13 15:46:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:14,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:46:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:46:14,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:46:14,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 15:46:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:46:18,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:46:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:46:21,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:46:21,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:46:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980398880] [2024-11-13 15:46:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980398880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:21,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:21,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:46:21,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424776346] [2024-11-13 15:46:21,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:21,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:46:21,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:46:21,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:46:21,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:46:21,294 INFO L87 Difference]: Start difference. First operand 116 states and 157 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:46:22,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:22,586 INFO L93 Difference]: Finished difference Result 126 states and 168 transitions. [2024-11-13 15:46:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:46:22,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-13 15:46:22,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:22,589 INFO L225 Difference]: With dead ends: 126 [2024-11-13 15:46:22,589 INFO L226 Difference]: Without dead ends: 108 [2024-11-13 15:46:22,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:46:22,590 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 13 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:22,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 596 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:46:22,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-13 15:46:22,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-13 15:46:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:46:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 144 transitions. [2024-11-13 15:46:22,608 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 144 transitions. Word has length 23 [2024-11-13 15:46:22,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:22,608 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 144 transitions. [2024-11-13 15:46:22,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:46:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2024-11-13 15:46:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 15:46:22,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:22,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:22,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 15:46:22,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:46:22,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:22,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash -669544563, now seen corresponding path program 1 times [2024-11-13 15:46:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:46:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716456550] [2024-11-13 15:46:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:46:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:46:22,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:46:22,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 15:46:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:27,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:46:27,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:47:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:47:11,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:47:51,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:47:51,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716456550] [2024-11-13 15:47:51,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716456550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:47:51,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726340967] [2024-11-13 15:47:51,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:51,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:47:51,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:47:51,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:47:51,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:47:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:53,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:47:53,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:47:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:47:56,447 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:47:56,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726340967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:56,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:47:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-13 15:47:56,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586705220] [2024-11-13 15:47:56,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:56,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:47:56,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:47:56,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:47:56,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:47:56,449 INFO L87 Difference]: Start difference. First operand 108 states and 144 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:47:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:57,057 INFO L93 Difference]: Finished difference Result 208 states and 281 transitions. [2024-11-13 15:47:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:47:57,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2024-11-13 15:47:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:57,060 INFO L225 Difference]: With dead ends: 208 [2024-11-13 15:47:57,060 INFO L226 Difference]: Without dead ends: 115 [2024-11-13 15:47:57,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 135 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 30.6s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:47:57,061 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 2 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:57,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 285 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:47:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-13 15:47:57,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-13 15:47:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:47:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2024-11-13 15:47:57,078 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 68 [2024-11-13 15:47:57,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:57,078 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2024-11-13 15:47:57,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-13 15:47:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2024-11-13 15:47:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 15:47:57,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:57,081 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:57,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 15:47:57,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:47:57,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:47:57,482 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:57,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash 999088389, now seen corresponding path program 1 times [2024-11-13 15:47:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:47:57,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361660051] [2024-11-13 15:47:57,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:47:57,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:47:57,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:47:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 15:48:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:01,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:48:01,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:48:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:48:46,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:49:26,614 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:49:26,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361660051] [2024-11-13 15:49:26,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361660051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:49:26,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368087701] [2024-11-13 15:49:26,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:26,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:49:26,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:49:26,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:49:26,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:49:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:29,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:49:29,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:49:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:49:38,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:49:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:49:56,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368087701] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:49:56,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:49:56,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 5] total 18 [2024-11-13 15:49:56,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745228693] [2024-11-13 15:49:56,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:56,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:49:56,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:49:56,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:49:56,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:49:56,738 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:49:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:58,204 INFO L93 Difference]: Finished difference Result 122 states and 159 transitions. [2024-11-13 15:49:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:49:58,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-13 15:49:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:58,206 INFO L225 Difference]: With dead ends: 122 [2024-11-13 15:49:58,206 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 15:49:58,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 206 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 39.8s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:49:58,207 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 11 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:58,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 545 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:49:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 15:49:58,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-13 15:49:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:49:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2024-11-13 15:49:58,219 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 70 [2024-11-13 15:49:58,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:58,220 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2024-11-13 15:49:58,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:49:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2024-11-13 15:49:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 15:49:58,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:58,222 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:58,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 15:49:58,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:49:58,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:49:58,623 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:58,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2047028027, now seen corresponding path program 1 times [2024-11-13 15:49:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:49:58,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776264938] [2024-11-13 15:49:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:58,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:49:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:49:58,626 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:49:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-13 15:50:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:02,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:50:02,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:50:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:50:47,651 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:51:27,825 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:51:27,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776264938] [2024-11-13 15:51:27,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776264938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:51:27,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276877267] [2024-11-13 15:51:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:51:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:51:27,828 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:51:27,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:51:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:30,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:51:30,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:51:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:51:40,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:51:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276877267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:51:40,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:51:40,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2024-11-13 15:51:40,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425361011] [2024-11-13 15:51:40,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:51:40,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:51:40,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:51:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:51:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:51:40,417 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 15:51:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:51:42,467 INFO L93 Difference]: Finished difference Result 205 states and 273 transitions. [2024-11-13 15:51:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:51:42,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 70 [2024-11-13 15:51:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:51:42,469 INFO L225 Difference]: With dead ends: 205 [2024-11-13 15:51:42,469 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 15:51:42,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 36.5s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:51:42,471 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 27 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:51:42,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 520 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 15:51:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 15:51:42,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-13 15:51:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 95 states have internal predecessors, (128), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:51:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 140 transitions. [2024-11-13 15:51:42,483 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 140 transitions. Word has length 70 [2024-11-13 15:51:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:51:42,484 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 140 transitions. [2024-11-13 15:51:42,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-13 15:51:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2024-11-13 15:51:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 15:51:42,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:51:42,486 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:51:42,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-13 15:51:42,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:51:42,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:51:42,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:51:42,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:51:42,887 INFO L85 PathProgramCache]: Analyzing trace with hash 441636041, now seen corresponding path program 1 times [2024-11-13 15:51:42,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:51:42,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224647177] [2024-11-13 15:51:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:42,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:51:42,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:51:42,891 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:51:42,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-13 15:51:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:47,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:51:47,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:52:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 15:52:34,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:53:14,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:53:14,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224647177] [2024-11-13 15:53:14,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224647177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:53:14,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107758006] [2024-11-13 15:53:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:14,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:53:14,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:53:14,902 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:53:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:53:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:18,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:53:18,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:53:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 15:53:42,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:54:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 15:54:06,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107758006] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:54:06,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:54:06,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13, 7] total 20 [2024-11-13 15:54:06,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405524192] [2024-11-13 15:54:06,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:54:06,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:54:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:54:06,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:54:06,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:54:06,800 INFO L87 Difference]: Start difference. First operand 107 states and 140 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:54:10,889 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 [] [2024-11-13 15:54:15,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-13 15:54:15,725 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 15:54:15,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 46.8s TimeCoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:54:15,729 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:54:15,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-13 15:54:15,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-13 15:54:15,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 15:54:16,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:54:16,132 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:447) at java.base/java.io.OutputStream.write(OutputStream.java:167) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:125) at java.base/java.io.BufferedOutputStream.implFlush(BufferedOutputStream.java:252) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:246) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:412) at java.base/sun.nio.cs.StreamEncoder.lockedFlush(StreamEncoder.java:214) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:201) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:262) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:372) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-13 15:54:16,136 INFO L158 Benchmark]: Toolchain (without parser) took 564221.10ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 88.2MB in the beginning and 820.3MB in the end (delta: -732.2MB). Peak memory consumption was 911.6MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,137 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:16,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2318.26ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.0MB in the beginning and 224.2MB in the end (delta: -136.2MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.09ms. Allocated memory is still 276.8MB. Free memory was 224.2MB in the beginning and 215.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,138 INFO L158 Benchmark]: Boogie Preprocessor took 177.64ms. Allocated memory is still 276.8MB. Free memory was 215.8MB in the beginning and 204.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,138 INFO L158 Benchmark]: RCFGBuilder took 15398.60ms. Allocated memory is still 276.8MB. Free memory was 204.8MB in the beginning and 204.7MB in the end (delta: 18.2kB). Peak memory consumption was 136.5MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,139 INFO L158 Benchmark]: TraceAbstraction took 546185.10ms. Allocated memory was 276.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 204.7MB in the beginning and 820.3MB in the end (delta: -615.6MB). Peak memory consumption was 864.3MB. Max. memory is 16.1GB. [2024-11-13 15:54:16,141 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2318.26ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.0MB in the beginning and 224.2MB in the end (delta: -136.2MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.09ms. Allocated memory is still 276.8MB. Free memory was 224.2MB in the beginning and 215.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.64ms. Allocated memory is still 276.8MB. Free memory was 215.8MB in the beginning and 204.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15398.60ms. Allocated memory is still 276.8MB. Free memory was 204.8MB in the beginning and 204.7MB in the end (delta: 18.2kB). Peak memory consumption was 136.5MB. Max. memory is 16.1GB. * TraceAbstraction took 546185.10ms. Allocated memory was 276.8MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 204.7MB in the beginning and 820.3MB in the end (delta: -615.6MB). Peak memory consumption was 864.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaa4e18-03ef-4aeb-8255-2e6479f5c182/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken