./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c0262a418b8f463b8b97a4e7d223a3d9633becb3ddab8d79fde6683ec277331 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:01,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:01,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:46:01,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:46:01,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:46:01,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:01,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:01,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:01,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:01,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:01,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:01,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:01,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:46:01,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:01,892 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:01,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:01,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:01,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:01,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:01,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:01,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:01,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:01,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:01,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:01,893 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:46:01,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:46:01,893 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c0262a418b8f463b8b97a4e7d223a3d9633becb3ddab8d79fde6683ec277331 [2024-12-05 22:46:02,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:02,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:02,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:02,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:02,163 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:02,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i [2024-12-05 22:46:04,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/da520df0d/bce9f5e9b21745cf970fc8dd7a10df92/FLAG603e865b2 [2024-12-05 22:46:05,154 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:05,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i [2024-12-05 22:46:05,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/da520df0d/bce9f5e9b21745cf970fc8dd7a10df92/FLAG603e865b2 [2024-12-05 22:46:05,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/da520df0d/bce9f5e9b21745cf970fc8dd7a10df92 [2024-12-05 22:46:05,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:05,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:05,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:05,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:05,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:05,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48336898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:05, skipping insertion in model container [2024-12-05 22:46:05,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:05" (1/1) ... [2024-12-05 22:46:05,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:06,043 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i[71401,71414] [2024-12-05 22:46:06,243 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:46:06,248 INFO L158 Benchmark]: Toolchain (without parser) took 1053.70ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 59.6MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:46:06,248 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:46:06,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.37ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 59.6MB in the end (delta: 28.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:46:06,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.37ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 59.6MB in the end (delta: 28.1MB). 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c0262a418b8f463b8b97a4e7d223a3d9633becb3ddab8d79fde6683ec277331 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:07,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:08,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:46:08,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:08,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:08,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:08,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:08,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:08,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:08,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:08,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:46:08,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:08,096 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:46:08,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:08,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:08,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:08,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:08,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:08,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:46:08,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:08,097 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:46:08,097 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c0262a418b8f463b8b97a4e7d223a3d9633becb3ddab8d79fde6683ec277331 [2024-12-05 22:46:08,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:08,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:08,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:08,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:08,321 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:08,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i [2024-12-05 22:46:10,984 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/7f0d064ae/be7f417df5a140c8b313bc714fb14e56/FLAG85f06678a [2024-12-05 22:46:11,436 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:11,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i [2024-12-05 22:46:11,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/7f0d064ae/be7f417df5a140c8b313bc714fb14e56/FLAG85f06678a [2024-12-05 22:46:11,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/data/7f0d064ae/be7f417df5a140c8b313bc714fb14e56 [2024-12-05 22:46:11,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:11,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:11,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:11,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:11,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:11,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1564dc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11, skipping insertion in model container [2024-12-05 22:46:11,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:13,026 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i[71401,71414] [2024-12-05 22:46:13,381 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:46:13,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:13,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:13,505 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_ecde0e9e-d430-4f51-a9c7-f2b928f52257/sv-benchmarks/c/neural-networks/tanh_w4_r3_case_0_safe.c-amalgamation.i[71401,71414] [2024-12-05 22:46:13,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:13,856 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:13,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13 WrapperNode [2024-12-05 22:46:13,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:13,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:13,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:13,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:13,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:13,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:13,971 INFO L138 Inliner]: procedures = 780, calls = 721, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 410 [2024-12-05 22:46:13,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:13,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:13,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:13,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:13,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:13,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:13,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:13,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:14,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:14,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:14,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:14,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:13" (1/1) ... [2024-12-05 22:46:14,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:14,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:14,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 22:46:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-05 22:46:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-05 22:46:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 22:46:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-05 22:46:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-05 22:46:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:46:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:46:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-05 22:46:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 22:46:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:46:14,384 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:14,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:37,035 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:37,035 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:46:37,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:46:37,370 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-05 22:46:37,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:37 BoogieIcfgContainer [2024-12-05 22:46:37,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:46:37,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:46:37,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:46:37,382 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:46:37,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:37" (1/1) ... [2024-12-05 22:46:37,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:46:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-05 22:46:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-05 22:46:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:46:37,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:37,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:37,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:37,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:37,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:46:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:43,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:44,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:46:44,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:47,747 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-05 22:46:47,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-05 22:46:47,825 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:48,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:46:48,194 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:48,727 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:54,382 INFO L349 Elim1Store]: treesize reduction 118, result has 36.6 percent of original size [2024-12-05 22:46:54,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 137 [2024-12-05 22:46:54,426 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:54,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:46:54,737 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:55,106 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:46:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:46:59,239 INFO L224 Elim1Store]: Index analysis took 310 ms [2024-12-05 22:47:02,292 INFO L349 Elim1Store]: treesize reduction 180, result has 28.3 percent of original size [2024-12-05 22:47:02,293 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 2 case distinctions, treesize of input 134 treesize of output 140 [2024-12-05 22:47:02,345 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:47:02,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-05 22:47:03,213 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:47:51,255 WARN L286 SmtUtils]: Spent 43.94s on a formula simplification. DAG size of input: 216 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:47:52,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:47:52,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 244 [2024-12-05 22:47:53,191 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:47:53,192 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2024-12-05 22:47:53,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-05 22:47:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:54,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:48:06,132 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] [2024-12-05 22:48:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 73 states and 114 transitions. [2024-12-05 22:48:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-12-05 22:48:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:48:11,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:11,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:11,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:11,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:48:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:12,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:12,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:48:12,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:16,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:48:32,903 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] [2024-12-05 22:48:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 123 transitions. [2024-12-05 22:48:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2024-12-05 22:48:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:48:51,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:51,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:51,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:48:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:52,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:53,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:48:53,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:59,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:49:23,129 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] [2024-12-05 22:50:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 138 transitions. [2024-12-05 22:50:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2024-12-05 22:50:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:50:03,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:03,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:03,259 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:03,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:50:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:04,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:04,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:50:04,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:05,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 22:50:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 143 transitions. [2024-12-05 22:50:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2024-12-05 22:50:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:50:20,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:20,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:20,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:20,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:50:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:21,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:22,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:50:22,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:50:26,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:50:28,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:50:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 87 states and 151 transitions. [2024-12-05 22:50:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-12-05 22:50:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:50:48,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:48,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:48,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:50:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:48,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:49,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:50:49,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:50:49,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:51:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 157 transitions. [2024-12-05 22:51:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-12-05 22:51:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:51:01,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:01,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:01,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:01,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:51:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:02,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:03,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:51:03,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:51:31,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:51:58,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:53:06,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:08,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:54:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 121 states and 235 transitions. [2024-12-05 22:54:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 235 transitions. [2024-12-05 22:54:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:54:14,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:14,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:14,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:54:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:15,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:15,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:54:15,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 22:54:16,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-05 22:54:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 126 states and 245 transitions. [2024-12-05 22:54:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 245 transitions. [2024-12-05 22:54:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:54:24,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:24,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:24,901 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:24,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:54:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:26,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:26,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:54:26,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-05 22:54:27,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:54:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 119 states and 224 transitions. [2024-12-05 22:54:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 224 transitions. [2024-12-05 22:54:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:54:35,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:35,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:35,014 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:35,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:54:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:35,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:36,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:54:36,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:54:40,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:55:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 123 states and 237 transitions. [2024-12-05 22:55:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 237 transitions. [2024-12-05 22:55:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:55:34,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:34,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:34,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:34,862 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:34,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:55:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:35,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:36,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:55:36,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:55:40,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 125 states and 242 transitions. [2024-12-05 22:56:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 242 transitions. [2024-12-05 22:56:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:56:05,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:05,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:05,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:05,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:56:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:06,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:06,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:56:06,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:56:24,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:58:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 140 states and 287 transitions. [2024-12-05 22:58:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 287 transitions. [2024-12-05 22:58:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:58:00,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:00,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:00,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:00,424 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:00,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:58:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:01,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:01,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:58:01,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:58:05,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-05 22:59:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 144 states and 300 transitions. [2024-12-05 22:59:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 300 transitions. [2024-12-05 22:59:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:59:05,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:05,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:05,200 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:05,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:59:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:06,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:06,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:59:06,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:59:10,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-05 22:59:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 146 states and 305 transitions. [2024-12-05 22:59:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 305 transitions. [2024-12-05 22:59:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 22:59:39,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:39,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:39,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:39,073 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:39,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:59:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:40,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:40,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:59:40,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 23:00:01,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde0e9e-d430-4f51-a9c7-f2b928f52257/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:00:09,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:00:11,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []