./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:44,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:44,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:43:44,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:43:44,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:43:44,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:44,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:44,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:44,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:44,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:44,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:44,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:44,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:44,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:44,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:44,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:44,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:44,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:44,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:43:44,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:43:44,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak 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 -> d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c [2024-12-06 00:43:45,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:45,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:45,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:45,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:45,100 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:45,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2024-12-06 00:43:47,878 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/3f219d8bb/a8420291c32c43479bc45430253dc36c/FLAG47cda8527 [2024-12-06 00:43:48,241 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:48,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2024-12-06 00:43:48,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/3f219d8bb/a8420291c32c43479bc45430253dc36c/FLAG47cda8527 [2024-12-06 00:43:48,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/3f219d8bb/a8420291c32c43479bc45430253dc36c [2024-12-06 00:43:48,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:48,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:48,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:48,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:48,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:48,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:48" (1/1) ... [2024-12-06 00:43:48,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20acfcd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:48, skipping insertion in model container [2024-12-06 00:43:48,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:48" (1/1) ... [2024-12-06 00:43:48,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:49,338 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_71944571-49d6-464d-a78c-98c105125ed4/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2024-12-06 00:43:49,555 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) 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:2556) 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:783) 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:783) 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:1507) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:43:49,562 INFO L158 Benchmark]: Toolchain (without parser) took 1108.51ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 85.9MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:49,562 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:49,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.62ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 85.9MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:43:49,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.62ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 85.9MB in the end (delta: 28.0MB). 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_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:51,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:51,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:43:51,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:51,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:51,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:51,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:51,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:51,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:51,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:51,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:51,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:43:51,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:51,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:43:51,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:51,564 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:43:51,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b 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 -> Kojak 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 -> d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c [2024-12-06 00:43:51,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:51,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:51,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:51,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:51,837 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:51,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2024-12-06 00:43:54,760 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/fef3b9641/2cbc40c0868e4185be6842cb1f8fe9bd/FLAG7797fe0c7 [2024-12-06 00:43:55,079 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:55,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2024-12-06 00:43:55,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/fef3b9641/2cbc40c0868e4185be6842cb1f8fe9bd/FLAG7797fe0c7 [2024-12-06 00:43:55,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/data/fef3b9641/2cbc40c0868e4185be6842cb1f8fe9bd [2024-12-06 00:43:55,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:55,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:55,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:55,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:55,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:55,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:55" (1/1) ... [2024-12-06 00:43:55,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42913ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:55, skipping insertion in model container [2024-12-06 00:43:55,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:55" (1/1) ... [2024-12-06 00:43:55,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:56,235 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_71944571-49d6-464d-a78c-98c105125ed4/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2024-12-06 00:43:56,484 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:43:56,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:56,547 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:56,597 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_71944571-49d6-464d-a78c-98c105125ed4/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2024-12-06 00:43:56,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:56,889 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:56,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56 WrapperNode [2024-12-06 00:43:56,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:56,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:56,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:56,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:56,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,969 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 394 [2024-12-06 00:43:56,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:56,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:56,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:56,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:56,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:57,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:57,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:57,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:57,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:57,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:57,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:57,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-06 00:43:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 00:43:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:43:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-06 00:43:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:43:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-06 00:43:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 00:43:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:43:57,270 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:57,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:14,917 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:14,917 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:15,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:15,183 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-06 00:44:15,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:15 BoogieIcfgContainer [2024-12-06 00:44:15,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:15,184 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:15,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:15,195 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:15,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:15" (1/1) ... [2024-12-06 00:44:15,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-06 00:44:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-06 00:44:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:44:15,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:15,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:15,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:15,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:15,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:44:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:19,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:20,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:44:20,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:44:21,729 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 00:44:21,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 00:44:21,777 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:21,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:44:21,962 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:22,186 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:24,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:44:24,353 INFO L224 Elim1Store]: Index analysis took 140 ms [2024-12-06 00:44:26,039 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-06 00:44:26,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 140 [2024-12-06 00:44:26,073 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:26,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:44:26,623 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:44:31,535 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-06 00:44:31,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-06 00:44:31,566 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:31,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 00:44:31,776 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:44:32,022 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 00:45:17,151 WARN L286 SmtUtils]: Spent 42.79s on a formula simplification. DAG size of input: 216 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:45:18,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:45:18,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-12-06 00:45:19,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-06 00:45:19,197 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:45:19,198 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-06 00:45:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:19,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 00:45:31,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:45:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-06 00:45:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-06 00:45:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:45:34,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:34,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:45:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:45:34,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:45:34,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:45:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:34,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:45:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:35,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:45:35,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:45:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:45:37,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:45:52,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:05,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-06 00:46:05,166 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-06 00:46:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:46:05,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:05,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:46:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:46:05,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:46:05,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:46:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:05,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:46:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:06,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:46:06,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:09,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:46:28,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:46:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-06 00:46:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-06 00:46:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:46:51,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:51,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:46:51,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:46:51,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:46:51,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:46:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:52,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:46:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:52,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:46:52,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:52,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:46:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:46:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 141 transitions. [2024-12-06 00:46:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2024-12-06 00:46:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:46:58,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:46:58,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:46:58,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:46:58,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:46:58,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:46:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:58,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:46:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:59,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:46:59,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:46:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:46:59,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:47:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-06 00:47:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-06 00:47:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:47:05,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:05,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:47:05,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:47:05,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:47:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:06,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:47:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:06,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:47:06,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:47:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:47:08,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:47:10,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:47:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-06 00:47:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-06 00:47:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:47:24,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:24,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:47:24,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:47:24,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:47:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:25,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:47:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:25,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:47:25,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:47:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 00:47:25,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:47:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-06 00:47:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-06 00:47:32,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 00:47:32,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:32,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:32,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:47:32,236 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:47:32,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:47:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:33,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:47:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:33,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:47:33,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:47:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:42,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:47:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 162 transitions. [2024-12-06 00:47:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 162 transitions. [2024-12-06 00:47:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:47:52,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:52,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:47:52,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:47:52,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:47:52,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:47:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:53,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:47:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:53,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:47:53,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:47:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:47:53,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:48:15,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 97 states and 177 transitions. [2024-12-06 00:48:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2024-12-06 00:48:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 00:48:15,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:15,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:15,337 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:48:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:16,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:16,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:48:16,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 00:48:17,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:48:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 97 states and 176 transitions. [2024-12-06 00:48:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 176 transitions. [2024-12-06 00:48:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 00:48:17,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:17,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:17,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:17,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:17,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:48:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:18,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:18,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:48:18,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 00:48:19,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:48:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 99 states and 179 transitions. [2024-12-06 00:48:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2024-12-06 00:48:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 00:48:33,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:48:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:48:33,325 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:48:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:48:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:35,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:48:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:35,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:48:35,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:48:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 00:48:47,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:49:14,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:49:36,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:50:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 211 transitions. [2024-12-06 00:50:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2024-12-06 00:50:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 00:50:43,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:43,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:50:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:50:43,410 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:50:43,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:50:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:44,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:50:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:44,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:50:44,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:50:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:50:45,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 00:50:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 114 states and 219 transitions. [2024-12-06 00:50:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2024-12-06 00:50:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 00:50:50,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:50:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:50:50,717 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:50:50,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:50:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:51,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:50:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:52,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:50:52,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:50:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 00:50:52,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:50:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 107 states and 198 transitions. [2024-12-06 00:50:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 198 transitions. [2024-12-06 00:50:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 00:50:57,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:57,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:50:57,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:50:57,623 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:50:57,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:50:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:58,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:50:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:50:59,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:50:59,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:50:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 00:50:59,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:51:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 109 states and 199 transitions. [2024-12-06 00:51:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-06 00:51:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 00:51:30,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:30,830 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:30,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:51:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:32,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:51:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:33,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:51:33,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:51:59,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:52:59,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:54:50,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:54:52,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:55:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 126 states and 247 transitions. [2024-12-06 00:55:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2024-12-06 00:55:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 00:55:23,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:23,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:23,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:23,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:23,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:55:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:24,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:25,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 00:55:25,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:56:23,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71944571-49d6-464d-a78c-98c105125ed4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-06 00:58:19,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:58:21,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []