./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:39:09,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:39:09,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:39:09,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:39:09,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:39:09,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:39:09,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:39:09,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:39:09,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:39:09,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:39:09,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:39:09,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:39:09,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:39:09,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:09,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:39:09,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:39:09,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 [2024-12-05 22:39:10,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:39:10,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:39:10,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:39:10,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:39:10,063 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:39:10,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-12-05 22:39:12,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/f15a9179b/ea8a096a1c0c417185bae9621ecb1855/FLAG1d3095ebb [2024-12-05 22:39:13,001 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:39:13,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-12-05 22:39:13,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/f15a9179b/ea8a096a1c0c417185bae9621ecb1855/FLAG1d3095ebb [2024-12-05 22:39:13,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/f15a9179b/ea8a096a1c0c417185bae9621ecb1855 [2024-12-05 22:39:13,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:39:13,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:39:13,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:13,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:39:13,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:39:13,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:13" (1/1) ... [2024-12-05 22:39:13,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebb1450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:13, skipping insertion in model container [2024-12-05 22:39:13,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:13" (1/1) ... [2024-12-05 22:39:13,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:39:14,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:39:14,043 INFO L158 Benchmark]: Toolchain (without parser) took 793.51ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 93.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:39:14,044 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:14,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.58ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 93.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:39:14,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.58ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 93.2MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:39:15,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:39:15,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:39:15,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:39:15,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:39:15,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:39:15,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:39:15,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:39:15,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:39:15,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:39:15,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:39:15,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:15,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:39:15,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:39:15,855 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:39:15,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3abc8a0ec3bb73998f9a0961a925bbe407f21d350b560d47850c8da8957643f7 [2024-12-05 22:39:16,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:39:16,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:39:16,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:39:16,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:39:16,100 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:39:16,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-12-05 22:39:18,790 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/7d8e50397/22a8ed80a8ea4695842c3225f498c7c2/FLAG52595e580 [2024-12-05 22:39:19,112 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:39:19,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i [2024-12-05 22:39:19,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/7d8e50397/22a8ed80a8ea4695842c3225f498c7c2/FLAG52595e580 [2024-12-05 22:39:19,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/data/7d8e50397/22a8ed80a8ea4695842c3225f498c7c2 [2024-12-05 22:39:19,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:39:19,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:39:19,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:19,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:39:19,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:39:19,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:19" (1/1) ... [2024-12-05 22:39:19,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67667fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:19, skipping insertion in model container [2024-12-05 22:39:19,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:19" (1/1) ... [2024-12-05 22:39:19,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:39:20,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-12-05 22:39:20,412 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:39:20,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:20,426 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:39:20,467 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_3_unsafe.c-amalgamation.i[71475,71488] [2024-12-05 22:39:20,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:20,734 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:39:20,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20 WrapperNode [2024-12-05 22:39:20,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:20,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:20,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:39:20,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:39:20,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,845 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-12-05 22:39:20,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:20,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:39:20,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:39:20,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:39:20,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:39:20,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:39:20,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:39:20,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:39:20,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:20,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:39:20,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:39:20,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:39:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 22:39:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:39:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-05 22:39:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-05 22:39:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:39:21,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:39:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-05 22:39:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:39:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-05 22:39:21,002 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-05 22:39:21,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:39:21,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:40:06,408 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-05 22:40:06,409 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:40:06,913 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:40:06,913 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-05 22:40:06,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:06 BoogieIcfgContainer [2024-12-05 22:40:06,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:40:06,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:40:06,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:40:06,922 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:40:06,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:40:06" (1/1) ... [2024-12-05 22:40:06,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:40:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-12-05 22:40:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-12-05 22:40:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 22:40:06,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:06,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:06,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:06,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:40:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:10,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:11,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:11,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:40:13,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:40:23,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:40:27,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:40:29,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:40:34,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:40:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-12-05 22:40:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-12-05 22:40:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 22:40:34,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:34,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:34,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:34,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:34,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:40:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:37,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:38,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:38,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-05 22:40:40,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:40:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-12-05 22:40:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-12-05 22:40:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-05 22:40:46,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:46,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:46,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:46,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:40:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:49,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:50,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:50,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:40:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-05 22:40:52,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:40:53,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:40:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-12-05 22:40:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-12-05 22:40:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-05 22:40:53,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:53,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:40:53,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:40:53,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:40:53,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:40:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:56,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:40:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:57,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:40:57,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:41:00,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:41:03,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:41:04,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:41:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-12-05 22:41:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-12-05 22:41:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 22:41:10,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:10,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:10,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:10,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:10,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:41:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:13,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:14,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:41:14,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 22:41:16,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:41:17,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:41:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2024-12-05 22:41:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2024-12-05 22:41:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:41:18,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:18,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:18,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:18,885 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:41:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:21,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:22,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:41:22,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:41:26,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:41:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-12-05 22:41:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-12-05 22:41:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-05 22:41:34,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:34,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:34,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:34,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:34,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:41:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:37,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:41:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:41:38,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:41:38,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:41:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:41:42,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:41:47,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:41:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:41:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-12-05 22:41:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-12-05 22:41:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 22:41:57,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:41:57,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:41:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:41:57,215 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:41:57,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:42:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:00,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:01,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:42:01,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-05 22:42:05,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:42:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-12-05 22:42:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-12-05 22:42:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:42:16,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:16,706 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:16,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:42:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:19,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:42:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:42:20,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:42:20,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:42:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-05 22:42:31,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:42:46,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:43:29,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:43:33,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:43:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-05 22:43:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-05 22:43:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:43:42,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:42,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:43:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:43:42,390 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:43:42,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:43:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:45,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:43:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:46,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:43:46,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:43:57,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:44:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-05 22:44:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-05 22:44:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-05 22:44:08,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:08,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:08,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:08,688 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:08,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:44:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:11,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:13,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:44:13,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-05 22:44:17,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:44:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-05 22:44:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-05 22:44:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:44:37,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:44:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:44:37,139 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:44:37,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:44:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:40,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:44:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:41,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:44:41,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:44:49,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:45:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-05 22:45:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-05 22:45:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:45:02,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:02,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:02,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:02,402 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:02,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:45:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:05,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:06,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:45:06,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-05 22:45:14,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:45:36,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:38,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:45:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 198 states and 474 transitions. [2024-12-05 22:45:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 474 transitions. [2024-12-05 22:45:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:45:38,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:38,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:38,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:38,476 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:38,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:45:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:41,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:42,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:45:42,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:45:50,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:45:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 198 states and 474 transitions. [2024-12-05 22:45:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 474 transitions. [2024-12-05 22:45:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:45:53,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:53,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:53,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:53,547 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:53,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:45:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:57,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:58,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:45:58,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:46:05,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:46:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 198 states and 474 transitions. [2024-12-05 22:46:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 474 transitions. [2024-12-05 22:46:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:46:08,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:08,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:08,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:08,928 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:08,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:46:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:12,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:13,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:46:13,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:46:21,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:46:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 198 states and 474 transitions. [2024-12-05 22:46:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 474 transitions. [2024-12-05 22:46:24,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:46:24,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:24,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:24,296 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:46:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:28,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:29,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:46:29,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-05 22:46:36,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:46:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:46:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:46:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:46:46,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:46,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:46,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:46,998 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:46,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:46:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:50,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:51,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:46:51,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:46:59,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:47:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:47:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:47:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:47:02,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:02,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:02,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:02,216 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:02,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:47:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:06,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:07,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:47:07,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:47:14,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:47:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:47:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:47:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:47:17,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:17,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:17,980 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:17,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:47:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:21,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:22,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:47:22,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:47:30,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:47:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:47:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:47:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:47:33,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:33,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:33,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:33,637 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:33,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:47:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:37,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:38,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:47:38,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:47:46,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:47:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:47:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:47:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:47:49,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:49,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:49,634 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:49,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:47:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:53,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:54,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:47:54,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:48:02,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:48:05,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:05,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-05 22:48:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-05 22:48:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:48:05,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:05,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:05,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:05,586 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:05,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:48:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:09,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:10,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:48:10,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 22:48:22,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:48:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:48:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:48:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:48:50,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:50,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:50,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:50,282 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:50,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:48:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:54,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:55,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:48:55,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:49:03,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:49:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:49:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:49:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:49:06,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:06,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:06,948 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:06,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:49:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:11,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:12,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:49:12,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:49:19,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:49:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:23,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:49:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:49:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:49:23,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:23,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:23,083 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:23,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:49:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:27,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:28,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:49:28,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:49:36,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:49:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:49:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:49:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:49:39,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:39,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:39,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:39,676 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:39,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:49:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:44,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:45,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:49:45,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:49:53,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:49:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:49:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:49:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:49:56,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:56,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:56,556 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:56,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:50:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:01,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:02,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:50:02,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:50:10,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:50:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:50:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:50:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:50:13,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:13,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:13,298 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:13,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:50:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:18,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:19,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:50:19,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:50:26,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:50:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:50:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:50:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:50:30,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:30,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:30,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:30,081 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:30,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:50:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:34,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:35,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:50:35,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:50:43,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:50:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:50:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:50:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:50:47,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:47,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:47,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:47,035 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:47,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:50:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:51,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:53,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:50:53,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:51:00,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:51:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-05 22:51:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-05 22:51:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-05 22:51:04,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:04,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:04,040 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:51:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:08,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:09,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:51:09,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-05 22:51:23,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:51:37,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:51:39,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:51:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:51:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:51:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:51:58,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:58,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:58,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:58,573 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:58,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:52:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:03,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:04,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:04,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:52:12,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:52:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:52:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:52:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:52:15,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:15,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:15,462 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:15,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:52:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:20,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:21,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:21,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:52:29,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:52:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:32,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:52:32,385 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:52:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:52:32,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:32,388 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:32,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:52:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:37,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:38,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:38,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:52:46,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:52:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:52:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:52:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:52:49,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:49,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:49,674 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:49,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:52:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:54,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:55,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:52:55,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:53:03,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:53:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:53:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:53:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:53:06,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:06,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:06,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:06,729 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:53:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:11,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:12,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:12,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:53:20,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:53:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:53:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:53:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:53:24,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:24,025 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:24,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:53:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:29,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:30,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:30,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:53:38,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:53:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:53:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:53:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:53:41,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:41,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:41,357 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:53:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:46,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:47,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:53:47,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-05 22:53:55,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:53:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-05 22:53:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-05 22:53:58,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:53:58,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:58,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:58,810 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:58,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1583c0-ce6d-466e-9cfd-01b17c4e1045/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:54:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:04,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:05,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:54:05,048 INFO L279 TraceCheckSpWp]: Computing forward predicates...