./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_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_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3 --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 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:18:57,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:18:57,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:18:57,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:18:57,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:18:57,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:18:57,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:18:57,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:18:57,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:18:57,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:18:57,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:18:57,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:18:57,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:18:57,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:18:57,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:18:57,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:18:57,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:18:57,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:18:57,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:18:57,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:18:57,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:18:57,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:18:57,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:18:57,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:18:57,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:18:57,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:18:57,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:18:57,646 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_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3 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 -> 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 [2024-11-25 05:18:57,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:18:57,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:18:57,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:18:57,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:18:57,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:18:57,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-25 05:19:01,050 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/cb39b309b/4cf5833745dd4f83a17861a206e71f99/FLAGf4f58e143 [2024-11-25 05:19:01,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:19:01,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-25 05:19:01,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/cb39b309b/4cf5833745dd4f83a17861a206e71f99/FLAGf4f58e143 [2024-11-25 05:19:02,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/cb39b309b/4cf5833745dd4f83a17861a206e71f99 [2024-11-25 05:19:02,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:19:02,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:19:02,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:02,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:19:02,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:19:02,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:02" (1/1) ... [2024-11-25 05:19:02,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76077682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:02, skipping insertion in model container [2024-11-25 05:19:02,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:02" (1/1) ... [2024-11-25 05:19:02,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:19:03,738 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_d62e88a3-6312-488b-aed0-3defe777f494/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-11-25 05:19:04,046 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:19:04,053 INFO L158 Benchmark]: Toolchain (without parser) took 1910.25ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 60.3MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:19:04,054 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:19:04,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1905.68ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 60.3MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:19:04,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1905.68ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 60.3MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3 --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 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:19:06,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:19:06,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:19:06,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:19:06,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:19:06,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:19:06,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:19:06,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:19:06,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:19:06,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:19:06,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:19:06,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:19:06,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:06,873 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:19:06,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:06,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:06,874 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:19:06,874 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_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3 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 -> 473935398f0a6ff0ba1d74937237ca988d69870fe758198e21e495be92fcb8a0 [2024-11-25 05:19:07,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:19:07,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:19:07,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:19:07,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:19:07,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:19:07,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-25 05:19:10,236 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/a1b35eec3/c8c3b5b742d54dfd8ca5a9f94404bdd1/FLAGff0768c73 [2024-11-25 05:19:10,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:19:10,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i [2024-11-25 05:19:10,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/a1b35eec3/c8c3b5b742d54dfd8ca5a9f94404bdd1/FLAGff0768c73 [2024-11-25 05:19:10,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/data/a1b35eec3/c8c3b5b742d54dfd8ca5a9f94404bdd1 [2024-11-25 05:19:10,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:19:10,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:19:10,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:10,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:19:10,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:19:10,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:10" (1/1) ... [2024-11-25 05:19:10,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73af704e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:10, skipping insertion in model container [2024-11-25 05:19:10,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:10" (1/1) ... [2024-11-25 05:19:11,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:19:12,489 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_d62e88a3-6312-488b-aed0-3defe777f494/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-11-25 05:19:12,977 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 05:19:13,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:13,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:19:13,220 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_d62e88a3-6312-488b-aed0-3defe777f494/sv-benchmarks/c/neural-networks/tanh_w4_r4_case_1_unsafe.c-amalgamation.i[71403,71416] [2024-11-25 05:19:13,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:19:13,746 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:19:13,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13 WrapperNode [2024-11-25 05:19:13,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:19:13,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:13,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:19:13,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:19:13,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,857 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-11-25 05:19:13,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:19:13,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:19:13,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:19:13,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:19:13,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,939 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:19:13,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:19:13,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:19:13,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:19:13,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:13" (1/1) ... [2024-11-25 05:19:13,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:19:14,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:19:14,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:19:14,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:19:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 05:19:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-25 05:19:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-25 05:19:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-25 05:19:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:19:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:19:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:19:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-25 05:19:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-25 05:19:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:19:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 05:19:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-25 05:19:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-25 05:19:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 05:19:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 05:19:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:19:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:19:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 05:19:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-25 05:19:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-25 05:19:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-25 05:19:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:19:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 05:19:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 05:19:14,334 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:19:14,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:19:36,388 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-25 05:19:36,388 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:19:36,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:19:36,873 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-25 05:19:36,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:36 BoogieIcfgContainer [2024-11-25 05:19:36,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:19:36,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:19:36,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:19:36,888 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:19:36,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:36" (1/1) ... [2024-11-25 05:19:36,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:19:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-25 05:19:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-25 05:19:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:19:36,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:36,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:19:36,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:19:36,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:19:36,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:19:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:45,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:19:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:46,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 05:19:46,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:19:46,626 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 05:19:46,672 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 05:19:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:46,869 INFO L224 Elim1Store]: Index analysis took 111 ms [2024-11-25 05:19:47,613 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-11-25 05:19:47,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 69 [2024-11-25 05:19:47,689 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 05:19:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:48,467 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2024-11-25 05:19:48,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 98 [2024-11-25 05:19:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:51,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-11-25 05:19:51,167 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 05:19:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:51,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:51,846 INFO L349 Elim1Store]: treesize reduction 10, result has 52.4 percent of original size [2024-11-25 05:19:51,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 90 [2024-11-25 05:19:52,469 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 05:19:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:52,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:52,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-11-25 05:19:52,660 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 05:19:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:52,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 05:19:53,294 INFO L349 Elim1Store]: treesize reduction 20, result has 35.5 percent of original size [2024-11-25 05:19:53,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 82 [2024-11-25 05:19:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:19:58,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:20:09,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:20:13,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:20:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-11-25 05:20:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-25 05:20:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:20:15,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:15,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:20:15,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:20:15,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:20:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:16,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:20:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:16,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:20:16,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:18,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:20:34,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:20:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-11-25 05:20:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-25 05:20:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:20:47,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:20:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:20:47,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:20:47,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:20:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:48,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:20:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:49,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:20:49,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:52,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:21:12,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:21:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-11-25 05:21:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-11-25 05:21:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:21:44,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:44,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:21:44,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:21:44,874 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:21:44,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:21:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:45,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:21:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:46,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:21:46,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:46,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 05:21:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 138 transitions. [2024-11-25 05:21:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2024-11-25 05:21:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:21:52,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:52,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:21:52,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:21:52,593 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:21:52,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:21:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:53,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:21:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:54,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:21:54,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:21:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:54,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:22:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-11-25 05:22:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-11-25 05:22:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 05:22:01,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:01,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:01,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:22:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:02,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:03,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:22:03,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:22:05,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 05:22:07,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:26,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 152 transitions. [2024-11-25 05:22:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 152 transitions. [2024-11-25 05:22:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 05:22:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:26,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:26,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:22:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:28,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:28,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:22:28,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:22:28,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:22:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-11-25 05:22:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-11-25 05:22:35,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:22:35,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:35,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:35,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:35,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 05:22:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:37,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:37,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:22:37,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 05:22:38,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 05:22:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 166 transitions. [2024-11-25 05:22:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2024-11-25 05:22:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:22:42,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:42,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:42,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:42,139 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 05:22:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:43,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:43,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:22:43,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:22:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 05:22:44,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 05:22:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 148 transitions. [2024-11-25 05:22:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 148 transitions. [2024-11-25 05:22:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:22:47,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:47,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:22:47,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:22:47,947 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:22:47,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 05:22:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:49,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:22:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:22:49,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:22:49,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:23:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:23:07,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 05:23:33,608 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 [0] [2024-11-25 05:24:22,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:24,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:25:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 117 states and 228 transitions. [2024-11-25 05:25:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 228 transitions. [2024-11-25 05:25:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:25:16,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:16,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:25:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:25:16,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:25:16,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 05:25:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:17,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:25:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:17,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:25:17,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:25:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:25:20,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 05:26:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 244 transitions. [2024-11-25 05:26:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 244 transitions. [2024-11-25 05:26:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:26:07,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:07,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:07,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:07,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 05:26:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:08,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:09,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:26:09,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:26:12,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 05:26:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 122 states and 246 transitions. [2024-11-25 05:26:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 246 transitions. [2024-11-25 05:26:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 05:26:24,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:24,049 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:24,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 05:26:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:25,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:26,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:26:26,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:26:29,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 123 states and 249 transitions. [2024-11-25 05:26:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 249 transitions. [2024-11-25 05:26:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 05:26:42,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:42,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:42,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:42,155 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:42,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 05:26:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:43,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:44,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:26:44,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:26:59,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 05:28:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 138 states and 297 transitions. [2024-11-25 05:28:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 297 transitions. [2024-11-25 05:28:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 05:28:30,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:28:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:28:30,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:28:30,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 05:28:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:31,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:28:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:32,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:28:32,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:28:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:28:35,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 142 states and 314 transitions. [2024-11-25 05:29:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 314 transitions. [2024-11-25 05:29:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 05:29:32,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:32,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:32,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:32,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:32,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 05:29:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:34,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:34,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:29:34,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:29:37,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 05:29:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:29:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 143 states and 317 transitions. [2024-11-25 05:29:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 317 transitions. [2024-11-25 05:29:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 05:29:53,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:29:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:29:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:29:53,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:29:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 05:29:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:55,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:29:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:29:55,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:29:55,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:29:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:29:59,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 05:30:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:30:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 144 states and 318 transitions. [2024-11-25 05:30:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 318 transitions. [2024-11-25 05:30:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 05:30:13,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:30:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:30:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:30:13,389 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:30:13,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 05:30:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:15,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:30:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:30:15,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:30:15,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:30:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:30:34,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-25 05:30:41,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:30:43,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 05:32:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:32:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 160 states and 372 transitions. [2024-11-25 05:32:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 372 transitions. [2024-11-25 05:32:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 05:32:29,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:32:29,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:32:29,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:32:29,869 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:32:29,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 05:32:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:31,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:32:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:32:32,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:32:32,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:32:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:32:35,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 05:33:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 164 states and 386 transitions. [2024-11-25 05:33:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 386 transitions. [2024-11-25 05:33:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 05:33:43,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:43,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:33:43,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:33:43,889 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:33:43,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 05:33:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:45,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:33:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:46,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:33:46,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:33:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 05:33:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 05:34:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:34:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 165 states and 392 transitions. [2024-11-25 05:34:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 392 transitions. [2024-11-25 05:34:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 05:34:07,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:34:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:34:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:34:07,182 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:34:07,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d62e88a3-6312-488b-aed0-3defe777f494/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 05:34:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:09,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:34:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:34:09,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:34:09,644 INFO L279 TraceCheckSpWp]: Computing forward predicates...