./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9 --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 806656afd71c38edc693a652029bcdd6419f68a76c54cf5c9f34bff437e7bcb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:19:29,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:19:29,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:19:29,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:19:29,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:19:29,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:19:29,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:19:29,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:19:29,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:19:29,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:19:29,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:19:29,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:19:29,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:19:29,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:19:29,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:19:29,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:19:29,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:19:29,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:19:29,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:19:29,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:19:29,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:19:29,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:19:29,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:19:29,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:19:29,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:19:29,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:19:29,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:29,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:19:29,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:19:29,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:19:29,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:19:29,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:19:29,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:19:29,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 806656afd71c38edc693a652029bcdd6419f68a76c54cf5c9f34bff437e7bcb4 [2023-12-03 01:19:30,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:19:30,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:19:30,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:19:30,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:19:30,106 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:19:30,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-03 01:19:32,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:19:33,173 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:19:33,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-03 01:19:33,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/63522f6c3/66407b50474446fea243d377975b1b17/FLAG3b1457488 [2023-12-03 01:19:33,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/63522f6c3/66407b50474446fea243d377975b1b17 [2023-12-03 01:19:33,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:19:33,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:19:33,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:33,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:19:33,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:19:33,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:33" (1/1) ... [2023-12-03 01:19:33,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2face5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:33, skipping insertion in model container [2023-12-03 01:19:33,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:33" (1/1) ... [2023-12-03 01:19:33,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:19:34,118 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-03 01:19:34,122 INFO L158 Benchmark]: Toolchain (without parser) took 906.71ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 86.5MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:19:34,122 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory was 115.6MB in the beginning and 115.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:19:34,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.98ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 86.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:19:34,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory was 115.6MB in the beginning and 115.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.98ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 86.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. 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:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9 --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 806656afd71c38edc693a652029bcdd6419f68a76c54cf5c9f34bff437e7bcb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:19:35,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:19:35,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:19:35,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:19:35,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:19:35,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:19:35,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:19:35,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:19:35,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:19:35,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:19:35,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:19:35,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:19:35,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:19:35,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:19:35,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:19:35,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:19:35,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:19:35,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:19:35,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:19:35,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:19:35,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:19:35,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:19:35,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:19:35,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:19:35,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:19:35,969 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:35,969 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:19:35,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:19:35,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:35,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:19:35,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:19:35,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:19:35,972 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:19:35,972 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:35,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:19:35,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:19:35,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:19:35,973 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 806656afd71c38edc693a652029bcdd6419f68a76c54cf5c9f34bff437e7bcb4 [2023-12-03 01:19:36,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:19:36,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:19:36,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:19:36,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:19:36,280 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:19:36,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-03 01:19:39,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:19:39,416 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:19:39,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-03 01:19:39,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/32b77af76/048435198a784dd5a77a2bf3e80c706d/FLAG75a6f9066 [2023-12-03 01:19:39,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/data/32b77af76/048435198a784dd5a77a2bf3e80c706d [2023-12-03 01:19:39,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:19:39,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:19:39,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:39,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:19:39,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:19:39,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:39" (1/1) ... [2023-12-03 01:19:39,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd51f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:39, skipping insertion in model container [2023-12-03 01:19:39,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:19:39" (1/1) ... [2023-12-03 01:19:39,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:19:40,341 WARN L240 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_c7007d56-a15d-47de-b42b-4c91341e1808/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i[71465,71478] [2023-12-03 01:19:40,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:40,642 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:19:40,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:19:40,692 WARN L240 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_c7007d56-a15d-47de-b42b-4c91341e1808/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i[71465,71478] [2023-12-03 01:19:40,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:40,805 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:19:40,844 WARN L240 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_c7007d56-a15d-47de-b42b-4c91341e1808/sv-benchmarks/c/neural-networks/poly_16_16_16_thresh_4_unsafe.c-amalgamation.i[71465,71478] [2023-12-03 01:19:40,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:19:41,193 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:19:41,193 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:19:41,194 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:19:41,194 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:19:41,199 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:19:41,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41 WrapperNode [2023-12-03 01:19:41,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:19:41,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:41,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:19:41,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:19:41,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,407 INFO L138 Inliner]: procedures = 779, calls = 1037, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1625 [2023-12-03 01:19:41,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:19:41,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:19:41,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:19:41,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:19:41,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:19:41,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:19:41,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:19:41,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:19:41,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:19:41" (1/1) ... [2023-12-03 01:19:41,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:19:41,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:19:41,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:19:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:19:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 01:19:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 01:19:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:19:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:19:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:19:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:19:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:19:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:19:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:19:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:19:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 01:19:41,606 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 01:19:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 01:19:41,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 01:19:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:19:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:19:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:19:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 01:19:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:19:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 01:19:41,608 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 01:19:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 01:19:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:19:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:19:41,608 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 01:19:41,608 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 01:19:41,831 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:19:41,833 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:20:30,771 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:20:32,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:20:32,616 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 01:20:32,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:32 BoogieIcfgContainer [2023-12-03 01:20:32,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:20:32,618 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:20:32,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:20:32,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:20:32,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:20:32" (1/1) ... [2023-12-03 01:20:32,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:20:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2023-12-03 01:20:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2023-12-03 01:20:32,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 01:20:32,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:32,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:32,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:32,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:20:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:48,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:55,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 4249 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:55,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 01:20:56,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:21:08,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.86s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:15,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:19,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2023-12-03 01:21:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2023-12-03 01:21:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:21:19,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:19,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:19,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:19,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:21:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:34,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:40,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 4251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:40,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 01:21:41,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:21:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 236 transitions. [2023-12-03 01:21:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2023-12-03 01:21:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:21:43,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:43,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:43,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:43,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:43,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:21:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:58,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:04,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 4258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:04,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-03 01:22:04,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:22:06,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 238 transitions. [2023-12-03 01:22:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2023-12-03 01:22:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:22:06,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:06,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:06,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:06,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:06,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:22:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:22,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:27,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:27,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 01:22:29,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:22:30,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:32,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 265 transitions. [2023-12-03 01:22:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2023-12-03 01:22:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:22:35,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:35,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:35,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:35,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:35,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:22:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:50,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:56,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 4265 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:56,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-03 01:22:57,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:23:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 292 transitions. [2023-12-03 01:23:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 292 transitions. [2023-12-03 01:23:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:23:00,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:00,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:00,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:23:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:16,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:22,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 4289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:23:22,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 01:23:23,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:23:27,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:30,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:31,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 293 transitions. [2023-12-03 01:23:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 293 transitions. [2023-12-03 01:23:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:23:32,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:32,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:32,609 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:32,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:23:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:48,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:54,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 4271 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:23:54,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 01:23:56,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:23:58,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:00,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 153 states and 326 transitions. [2023-12-03 01:24:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 326 transitions. [2023-12-03 01:24:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:24:05,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:05,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:05,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:05,422 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:05,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:24:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:21,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:27,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 4275 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:27,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 01:24:28,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:24:30,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 357 transitions. [2023-12-03 01:24:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 357 transitions. [2023-12-03 01:24:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 01:24:35,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:35,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:35,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:35,014 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:35,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:24:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:51,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:56,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 4278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:56,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-03 01:25:00,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:25:14,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:17,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:37,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:39,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:41,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:25:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:25:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:25:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:25:46,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:46,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:46,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:46,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:26:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:03,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:10,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:10,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:26:13,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:26:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:26:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:26:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:26:17,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:17,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:17,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:17,881 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:26:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:35,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:42,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:42,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:26:44,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:26:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:26:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:26:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:26:44,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:44,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:44,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:44,442 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:44,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:27:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:02,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:08,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:08,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:27:11,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:27:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:27:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:27:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:27:11,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:11,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:11,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:11,118 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:11,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:27:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:35,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:35,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:27:38,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:27:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:27:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:27:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:27:38,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:38,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:38,064 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:38,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:27:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:56,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:02,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:02,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:28:05,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:28:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:28:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:28:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:28:05,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:05,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:05,217 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:05,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:28:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:21,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:29,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:29,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:28:31,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:28:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:28:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:28:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:28:31,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:31,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:31,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:31,678 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:31,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:28:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:49,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:56,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:28:56,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:28:58,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 01:28:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:28:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:28:58,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:28:58,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:58,900 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:29:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:15,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:22,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:29:22,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:29:24,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:29:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:29:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:29:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:29:24,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:24,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:24,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:24,594 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:24,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:29:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:41,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:48,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:29:48,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:29:50,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:29:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:29:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:29:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:29:50,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:50,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:50,708 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:50,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:30:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:07,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:14,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:30:14,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:30:17,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:30:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:30:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:30:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:30:17,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:17,062 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:17,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:30:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:34,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:40,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:30:40,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:30:42,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:30:42,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:30:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:30:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:30:42,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:42,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:42,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:42,826 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:42,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:30:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:59,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:05,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:31:05,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:31:08,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:31:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:31:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:31:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:31:08,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:08,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:08,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:08,181 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:08,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:31:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:25,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:31,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:31:31,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:31:33,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:31:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:31:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:31:33,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:31:33,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:33,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:33,962 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:33,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:31:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:51,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:57,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:31:57,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:31:59,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:31:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:31:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:31:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:31:59,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:59,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:59,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:59,789 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:59,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:32:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:17,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:23,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:32:23,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:32:25,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:32:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:32:25,684 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:32:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:32:25,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:25,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:25,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:25,686 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:25,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:32:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:42,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:32:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:32:49,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:32:49,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:32:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:32:51,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:32:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:32:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 188 states and 451 transitions. [2023-12-03 01:32:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 451 transitions. [2023-12-03 01:32:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 01:32:51,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:32:51,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:32:51,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:32:51,421 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:32:51,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:33:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:08,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:14,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 4261 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:33:14,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 01:33:16,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:33:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 195 states and 468 transitions. [2023-12-03 01:33:23,629 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 468 transitions. [2023-12-03 01:33:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:33:23,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:23,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:23,631 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:23,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:33:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:41,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:33:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:47,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:33:47,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:33:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:33:49,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:33:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 195 states and 468 transitions. [2023-12-03 01:33:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 468 transitions. [2023-12-03 01:33:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:33:54,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:54,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:54,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:54,394 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:54,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7007d56-a15d-47de-b42b-4c91341e1808/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:34:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:11,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported