./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm --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 d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:47,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:47,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:42:47,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:42:47,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:42:47,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:47,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:42:47,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:42:47,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:47,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:47,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:47,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:47,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:47,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:47,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:47,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:47,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:47,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:47,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:47,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:47,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:47,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:47,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:42:47,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:42:47,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:42:47,502 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm 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 -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-11-13 21:42:47,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:47,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:47,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:47,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:47,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:47,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:42:49,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:50,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:50,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-13 21:42:50,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/319bd0bec/32d19a03f294421c97597e24a761f25c/FLAG3e932aef4 [2024-11-13 21:42:50,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/319bd0bec/32d19a03f294421c97597e24a761f25c [2024-11-13 21:42:50,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:50,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:50,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:50,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:50,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:50,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:50" (1/1) ... [2024-11-13 21:42:50,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ff7050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:50, skipping insertion in model container [2024-11-13 21:42:50,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:50" (1/1) ... [2024-11-13 21:42:50,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:51,870 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-13 21:42:52,175 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:42:52,188 INFO L158 Benchmark]: Toolchain (without parser) took 1749.68ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 86.0MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:42:52,189 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:52,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1746.76ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 86.0MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:42:52,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1746.76ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 86.0MB in the end (delta: 28.2MB). 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm --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 d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:54,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:54,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:42:55,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:55,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:42:55,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:42:55,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:55,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:55,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:55,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:55,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:55,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:55,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:55,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:55,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:55,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:55,017 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:42:55,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:55,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:42:55,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:55,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:55,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:55,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:55,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:42:55,019 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:42:55,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:55,019 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:42:55,019 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm 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 -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-11-13 21:42:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:55,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:55,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:55,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:55,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:55,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:42:57,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:57,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:57,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-13 21:42:57,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/40afa561e/f97dfd2afd8a4fe1a7bdf8e62e17c7da/FLAG696e78f40 [2024-11-13 21:42:58,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/data/40afa561e/f97dfd2afd8a4fe1a7bdf8e62e17c7da [2024-11-13 21:42:58,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:58,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:58,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:58,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:58,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:58,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31232e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:58, skipping insertion in model container [2024-11-13 21:42:58,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:58" (1/1) ... [2024-11-13 21:42:58,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:59,800 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-13 21:43:00,197 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 21:43:00,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:00,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:00,391 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_84e56199-2c17-4ff9-badd-550e46d7a8c0/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-13 21:43:00,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:00,967 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:00,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00 WrapperNode [2024-11-13 21:43:00,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:00,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:00,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:00,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,129 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2024-11-13 21:43:01,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:01,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:01,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:01,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:01,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:01,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:01,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:01,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:01,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:00" (1/1) ... [2024-11-13 21:43:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:01,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:43:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-13 21:43:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 21:43:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-13 21:43:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-13 21:43:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:43:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-13 21:43:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:43:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:43:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:43:01,597 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:01,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:21,015 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:21,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:21,393 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:21,396 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 21:43:21,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:21 BoogieIcfgContainer [2024-11-13 21:43:21,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:21,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:21,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:21,410 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:21,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-13 21:43:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-13 21:43:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:43:21,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:21,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:21,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:21,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:21,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:43:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:22,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:23,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:43:23,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:24,084 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 21:43:24,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:43:34,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:43:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2024-11-13 21:43:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2024-11-13 21:43:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:43:35,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:35,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:35,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:35,783 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:35,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:43:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:48,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:49,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:43:49,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:50,399 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 21:43:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:50,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:50,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:50,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:51,044 INFO L224 Elim1Store]: Index analysis took 498 ms [2024-11-13 21:43:54,536 INFO L349 Elim1Store]: treesize reduction 177, result has 30.3 percent of original size [2024-11-13 21:43:54,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 151 [2024-11-13 21:43:54,715 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:43:55,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:56,017 INFO L224 Elim1Store]: Index analysis took 358 ms [2024-11-13 21:43:57,071 INFO L349 Elim1Store]: treesize reduction 135, result has 10.6 percent of original size [2024-11-13 21:43:57,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 3200 treesize of output 3189 [2024-11-13 21:44:10,335 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:44:16,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:16,545 INFO L224 Elim1Store]: Index analysis took 261 ms [2024-11-13 21:44:16,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 139 [2024-11-13 21:44:16,668 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:44:16,717 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:44:16,747 INFO L209 tifierPushTermWalker]: Run 30 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:44:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:44:18,291 INFO L349 Elim1Store]: treesize reduction 135, result has 10.6 percent of original size [2024-11-13 21:44:18,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 25964 treesize of output 25897 [2024-11-13 21:44:36,632 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 275 DAG size of output: 221 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:44:38,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:38,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 689 treesize of output 521 [2024-11-13 21:44:38,955 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:38,957 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-13 21:44:40,081 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:40,082 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2024-11-13 21:44:40,524 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:40,526 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2024-11-13 21:44:40,980 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:40,981 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2024-11-13 21:44:41,113 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:44:41,114 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2024-11-13 21:44:46,175 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 21:44:46,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:45:14,079 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] [2024-11-13 21:45:28,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 119 transitions. [2024-11-13 21:45:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-13 21:45:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:45:37,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:37,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:37,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:37,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:37,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:45:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:38,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:39,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:39,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:39,360 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 21:45:39,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:45:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 120 transitions. [2024-11-13 21:45:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-13 21:45:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:45:39,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:39,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:39,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:39,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:39,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:45:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:40,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:40,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:40,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:45,193 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 21:45:45,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:46:15,510 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] [2024-11-13 21:47:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 81 states and 134 transitions. [2024-11-13 21:47:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2024-11-13 21:47:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:47:11,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:11,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:11,561 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:11,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:47:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:12,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:12,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:47:12,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:47:15,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:47:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 84 states and 142 transitions. [2024-11-13 21:47:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 142 transitions. [2024-11-13 21:47:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:47:38,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:38,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:38,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:38,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:47:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:39,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:40,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:47:40,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:47:40,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:47:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 86 states and 150 transitions. [2024-11-13 21:47:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2024-11-13 21:47:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:47:51,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:51,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:51,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:51,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:47:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:52,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:53,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:47:53,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:47:53,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:48:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 92 states and 166 transitions. [2024-11-13 21:48:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2024-11-13 21:48:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:48:23,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:23,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:23,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:48:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:24,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:25,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:25,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 21:48:25,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:48:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 97 states and 174 transitions. [2024-11-13 21:48:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 174 transitions. [2024-11-13 21:48:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:48:30,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:30,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:30,053 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:30,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:48:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:31,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:31,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:31,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:48:32,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:48:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 98 states and 176 transitions. [2024-11-13 21:48:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 176 transitions. [2024-11-13 21:48:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:48:43,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:43,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:43,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:43,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:48:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:44,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:45,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:45,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:48:46,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:48:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 99 states and 177 transitions. [2024-11-13 21:48:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 177 transitions. [2024-11-13 21:48:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:48:58,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:58,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:58,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:58,900 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:49:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:00,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:00,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:49:00,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:16,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:49:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 101 states and 182 transitions. [2024-11-13 21:49:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2024-11-13 21:49:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:49:32,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:32,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:32,345 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:32,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:49:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:33,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:34,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:49:34,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:49:34,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:49:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 101 states and 181 transitions. [2024-11-13 21:49:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 181 transitions. [2024-11-13 21:49:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:49:35,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:35,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:35,058 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:35,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:49:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:37,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:38,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:49:38,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:49:55,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:50:45,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:51:22,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 111 states and 217 transitions. [2024-11-13 21:53:13,869 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 217 transitions. [2024-11-13 21:53:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:53:13,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:13,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:13,873 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:53:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:15,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:15,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:53:15,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:53:16,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:53:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 104 states and 196 transitions. [2024-11-13 21:53:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 196 transitions. [2024-11-13 21:53:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:53:23,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:23,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:23,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:23,048 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:23,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:53:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:24,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:25,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:53:25,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:53:25,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 21:54:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 106 states and 197 transitions. [2024-11-13 21:54:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2024-11-13 21:54:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:54:14,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:14,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:14,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:14,880 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:14,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:54:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:17,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:54:17,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:54:53,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84e56199-2c17-4ff9-badd-550e46d7a8c0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:56:32,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []