./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:24,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:24,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:44:24,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:44:24,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:44:24,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:24,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:24,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:24,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:24,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:24,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:24,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:24,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:44:24,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:44:24,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:44:24,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:24,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:24,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:24,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:24,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:24,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:44:24,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:24,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:24,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:24,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:24,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:24,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:24,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:24,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:24,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:24,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:24,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:44:24,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:44:24,971 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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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 -> 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e [2024-11-13 21:44:25,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:25,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:25,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:25,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:25,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:25,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:44:28,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:28,799 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:28,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-13 21:44:28,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/d90fbfdaf/2182566f929c4951a9c6e57e3ff292d1/FLAG8174af3c3 [2024-11-13 21:44:28,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/d90fbfdaf/2182566f929c4951a9c6e57e3ff292d1 [2024-11-13 21:44:28,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:28,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:28,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:28,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:28,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:28,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:28" (1/1) ... [2024-11-13 21:44:28,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b68c2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:28, skipping insertion in model container [2024-11-13 21:44:28,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:28" (1/1) ... [2024-11-13 21:44:28,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:30,628 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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-11-13 21:44:31,037 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:44:31,049 INFO L158 Benchmark]: Toolchain (without parser) took 2175.51ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 60.0MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:44:31,050 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:31,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2172.26ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 60.0MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:44:31,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2172.26ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 60.0MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:34,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:34,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:44:34,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:34,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:34,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:34,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:34,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:34,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:34,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:34,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:34,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:34,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:34,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:34,415 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:34,415 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:44:34,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:34,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:34,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:34,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:34,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:34,419 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:44:34,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:34,420 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:44:34,420 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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/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 -> 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e [2024-11-13 21:44:34,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:34,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:34,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:34,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:34,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:34,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 21:44:37,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:37,694 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:37,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-13 21:44:37,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/8e5811cf3/ea8ef2eaa6784b288c2fe6d735cda035/FLAG14d0eff4f [2024-11-13 21:44:37,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/data/8e5811cf3/ea8ef2eaa6784b288c2fe6d735cda035 [2024-11-13 21:44:37,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:37,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:37,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:37,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:37,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:37,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:37" (1/1) ... [2024-11-13 21:44:37,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2939b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:37, skipping insertion in model container [2024-11-13 21:44:37,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:37" (1/1) ... [2024-11-13 21:44:37,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:39,349 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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-11-13 21:44:39,794 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 21:44:39,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:39,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:44:39,995 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_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-11-13 21:44:40,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:40,606 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:44:40,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40 WrapperNode [2024-11-13 21:44:40,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:40,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:40,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:44:40,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:44:40,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,791 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-11-13 21:44:40,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:40,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:44:40,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:44:40,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:44:40,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:44:40,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:44:40,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:44:40,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:44:40,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:40" (1/1) ... [2024-11-13 21:44:40,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:44:40,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:44:40,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:44:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 21:44:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-13 21:44:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:44:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-13 21:44:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:44:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:44:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-13 21:44:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-13 21:44:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:44:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 21:44:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:44:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-13 21:44:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 21:44:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:44:41,319 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:44:41,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:03,388 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:03,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:03,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:03,787 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 21:45:03,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:03 BoogieIcfgContainer [2024-11-13 21:45:03,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:03,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:03,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:03,800 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:03,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:03" (1/1) ... [2024-11-13 21:45:03,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-13 21:45:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-13 21:45:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:45:03,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:03,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:03,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:03,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:03,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:45:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:05,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:05,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:45:05,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:06,671 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 21:45:06,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:45:17,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:45:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2024-11-13 21:45:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2024-11-13 21:45:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:45:18,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:18,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:18,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:18,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:45:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:29,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:30,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:45:30,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:30,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2024-11-13 21:45:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:31,075 INFO L224 Elim1Store]: Index analysis took 108 ms [2024-11-13 21:45:31,913 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-13 21:45:31,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 89 [2024-11-13 21:45:32,182 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:32,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 148 [2024-11-13 21:45:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:33,245 INFO L224 Elim1Store]: Index analysis took 195 ms [2024-11-13 21:45:34,525 INFO L349 Elim1Store]: treesize reduction 81, result has 14.7 percent of original size [2024-11-13 21:45:34,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 93 [2024-11-13 21:45:34,657 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:35,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 179 [2024-11-13 21:45:36,413 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:37,381 INFO L224 Elim1Store]: Index analysis took 130 ms [2024-11-13 21:45:37,927 INFO L349 Elim1Store]: treesize reduction 72, result has 6.5 percent of original size [2024-11-13 21:45:37,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 85 [2024-11-13 21:45:38,141 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:38,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 179 [2024-11-13 21:45:38,414 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:38,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-11-13 21:45:39,047 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:39,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:39,662 INFO L224 Elim1Store]: Index analysis took 141 ms [2024-11-13 21:45:40,562 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-11-13 21:45:40,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 89 [2024-11-13 21:45:40,606 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:41,871 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:42,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-11-13 21:45:42,621 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:45:52,214 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 21:45:52,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:46:11,836 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 21:46:26,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:46:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 119 transitions. [2024-11-13 21:46:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-13 21:46:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:46:37,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:37,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:37,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:37,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:37,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:46:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:38,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:39,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:46:39,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:39,665 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 21:46:39,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:46:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 120 transitions. [2024-11-13 21:46:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-13 21:46:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:46:39,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:39,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:39,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:39,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:39,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:46:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:41,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:41,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:46:41,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:47,225 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 21:46:47,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:47:10,398 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 21:48:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 81 states and 134 transitions. [2024-11-13 21:48:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2024-11-13 21:48:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:48:10,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:10,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:10,824 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:10,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:48:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:12,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:13,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:48:13,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:16,426 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 21:48:16,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:48:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 84 states and 144 transitions. [2024-11-13 21:48:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 144 transitions. [2024-11-13 21:48:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:48:43,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:43,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:43,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:43,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:43,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:48:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:44,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:45,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:48:45,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:45,624 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 21:48:45,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:48:56,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 86 states and 150 transitions. [2024-11-13 21:48:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 150 transitions. [2024-11-13 21:48:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:48:56,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:56,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:56,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:56,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:56,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:48:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:58,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:59,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:48:59,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:00,006 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 21:49:00,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:49:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 158 transitions. [2024-11-13 21:49:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 158 transitions. [2024-11-13 21:49:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:49:05,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:05,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:05,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:05,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:49:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:07,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:07,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:49:07,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:08,482 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 21:49:08,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:49:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 140 transitions. [2024-11-13 21:49:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2024-11-13 21:49:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:49:13,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:13,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:13,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:13,583 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:49:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:15,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:15,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:49:15,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:16,749 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 21:49:16,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:49:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 90 states and 155 transitions. [2024-11-13 21:49:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 155 transitions. [2024-11-13 21:49:47,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:49:47,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:47,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:47,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:47,398 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:47,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:49:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:48,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:49,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:49:49,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:50,131 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 21:49:50,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:50:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 91 states and 157 transitions. [2024-11-13 21:50:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 157 transitions. [2024-11-13 21:50:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:50:00,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:00,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:00,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:00,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:50:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:02,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:02,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:50:02,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:03,250 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 21:50:03,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:50:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 92 states and 157 transitions. [2024-11-13 21:50:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 157 transitions. [2024-11-13 21:50:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:50:13,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:13,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:13,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:13,166 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:13,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:50:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:14,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:15,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:50:15,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:29,709 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 21:50:29,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:50:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 94 states and 162 transitions. [2024-11-13 21:50:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 162 transitions. [2024-11-13 21:50:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:50:45,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:45,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:45,811 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:45,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:50:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:47,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:47,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:50:47,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:48,250 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 21:50:48,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:50:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 161 transitions. [2024-11-13 21:50:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2024-11-13 21:50:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:50:48,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:48,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:50:48,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:50:48,633 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:50:48,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:50:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:51,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:50:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:51,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:50:51,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:08,399 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 21:51:08,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:51:40,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:52:11,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 104 states and 196 transitions. [2024-11-13 21:53:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 196 transitions. [2024-11-13 21:53:49,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:53:49,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:49,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:49,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:49,867 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:49,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:53:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:51,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:53:51,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:52,211 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 21:53:52,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:54:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 106 states and 197 transitions. [2024-11-13 21:54:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2024-11-13 21:54:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:54:39,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:39,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:39,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:39,970 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:39,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:54:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:42,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:43,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:54:43,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:20,605 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 21:55:20,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76b77a7-0a14-47ce-868a-0460bc8e2a7d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 21:56:59,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []