./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk --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 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:25,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:25,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:48:25,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:48:25,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:48:25,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:25,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:25,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:25,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:25,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:25,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:25,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:25,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:48:25,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:48:25,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:48:25,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:25,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:25,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:25,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:25,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:25,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:48:25,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:25,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:25,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:25,699 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:25,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:25,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:25,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:25,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:25,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:25,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:25,701 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:48:25,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:48:25,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d [2024-11-08 19:48:25,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:26,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:26,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:26,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:26,014 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:26,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 19:48:28,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:28,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:28,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-11-08 19:48:28,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/e4f829cdc/900ae56335fb49be8e891df4103b9842/FLAGe7b59f9ec [2024-11-08 19:48:28,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/e4f829cdc/900ae56335fb49be8e891df4103b9842 [2024-11-08 19:48:28,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:28,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:28,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:28,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:28,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:28,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:28" (1/1) ... [2024-11-08 19:48:28,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65545686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:28, skipping insertion in model container [2024-11-08 19:48:28,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:28" (1/1) ... [2024-11-08 19:48:28,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:29,737 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3216) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2295) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:48:29,744 INFO L158 Benchmark]: Toolchain (without parser) took 1188.83ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 82.7MB in the beginning and 149.4MB in the end (delta: -66.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 19:48:29,745 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:48:29,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1185.28ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 82.4MB in the beginning and 149.4MB in the end (delta: -67.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 19:48:29,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1185.28ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 82.4MB in the beginning and 149.4MB in the end (delta: -67.0MB). Peak memory consumption was 23.4MB. 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:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk --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 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:32,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:32,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:48:32,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:32,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:32,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:32,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:32,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:32,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:32,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:32,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:48:32,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:48:32,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:32,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:32,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:32,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:32,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:48:32,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:48:32,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:32,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:48:32,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:48:32,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:32,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:32,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:32,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:32,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:32,232 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:32,232 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:48:32,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:32,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:32,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:32,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:32,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:32,234 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:48:32,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:32,234 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:48:32,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420465b4160ed82ad66ee38db211a67558da31154a8d696ca661ca97b6cc589d [2024-11-08 19:48:32,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:32,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:32,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:32,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:32,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:32,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 19:48:34,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:35,312 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:35,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i [2024-11-08 19:48:35,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/390d6db88/b81c85e2f2064c479d4c77d79f8f25a9/FLAGae0e2dc47 [2024-11-08 19:48:35,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/data/390d6db88/b81c85e2f2064c479d4c77d79f8f25a9 [2024-11-08 19:48:35,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:35,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:35,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:35,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:35,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:35,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:35" (1/1) ... [2024-11-08 19:48:35,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15957802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:35, skipping insertion in model container [2024-11-08 19:48:35,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:35" (1/1) ... [2024-11-08 19:48:35,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:37,272 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_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i[71467,71480] [2024-11-08 19:48:37,615 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:48:37,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:37,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:37,745 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_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_4_unsafe.c-amalgamation.i[71467,71480] [2024-11-08 19:48:37,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:38,154 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:38,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38 WrapperNode [2024-11-08 19:48:38,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:38,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:38,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:38,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:38,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,307 INFO L138 Inliner]: procedures = 779, calls = 784, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1348 [2024-11-08 19:48:38,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:38,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:38,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:38,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:38,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:38,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:38,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:38,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:38,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:38" (1/1) ... [2024-11-08 19:48:38,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:38,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:38,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:38,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 19:48:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 19:48:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-08 19:48:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-08 19:48:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:48:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 19:48:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-08 19:48:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-08 19:48:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 19:48:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:48:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-08 19:48:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-08 19:48:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 19:48:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:48:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 19:48:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-08 19:48:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-08 19:48:38,864 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:38,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:49:24,753 INFO L? ?]: Removed 295 outVars from TransFormulas that were not future-live. [2024-11-08 19:49:24,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:49:27,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:49:27,169 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 19:49:27,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:49:27 BoogieIcfgContainer [2024-11-08 19:49:27,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:49:27,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:49:27,172 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:49:27,183 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:49:27,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:49:27" (1/1) ... [2024-11-08 19:49:27,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:49:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 183 states and 289 transitions. [2024-11-08 19:49:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 289 transitions. [2024-11-08 19:49:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 19:49:27,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:27,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:49:27,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:49:27,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:49:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:39,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:49:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:45,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:49:45,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 19:49:46,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:49:56,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:50:00,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:50:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 202 states and 338 transitions. [2024-11-08 19:50:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 338 transitions. [2024-11-08 19:50:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 19:50:00,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:00,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:50:00,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:50:00,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:50:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:11,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:50:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:15,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 2024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:50:15,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:50:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 19:50:15,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:50:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 202 states and 336 transitions. [2024-11-08 19:50:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2024-11-08 19:50:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 19:50:15,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:15,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:50:15,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:50:15,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:50:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:24,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:50:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:28,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:50:28,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:50:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 19:50:29,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:50:31,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:50:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 202 states and 334 transitions. [2024-11-08 19:50:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 334 transitions. [2024-11-08 19:50:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 19:50:32,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:50:32,209 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:50:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:50:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:40,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:50:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:45,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:50:45,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:50:45,855 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 19:50:45,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 19:50:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 210 states and 360 transitions. [2024-11-08 19:50:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 360 transitions. [2024-11-08 19:50:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:50:47,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:50:47,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:50:47,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:50:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:55,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:50:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:59,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:50:59,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 19:51:00,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 19:51:02,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:51:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 211 states and 360 transitions. [2024-11-08 19:51:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 360 transitions. [2024-11-08 19:51:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:51:03,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:03,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:51:03,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:51:03,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:51:03,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 19:51:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:12,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:51:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:16,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:51:16,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 19:51:16,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 19:51:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 211 states and 358 transitions. [2024-11-08 19:51:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 358 transitions. [2024-11-08 19:51:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:51:17,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:51:17,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:51:17,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:51:17,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 19:51:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:26,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:51:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:29,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:51:29,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-08 19:51:30,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 19:51:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 212 states and 358 transitions. [2024-11-08 19:51:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 358 transitions. [2024-11-08 19:51:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:51:31,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:31,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:51:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:51:31,054 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:51:31,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 19:51:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:40,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:51:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:44,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:51:44,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:51:45,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 19:51:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 221 states and 388 transitions. [2024-11-08 19:51:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 388 transitions. [2024-11-08 19:51:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:51:47,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:47,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:51:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:51:47,821 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:51:47,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 19:51:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:57,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:52:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:01,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:52:01,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-08 19:52:02,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 19:52:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:52:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 221 states and 386 transitions. [2024-11-08 19:52:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 386 transitions. [2024-11-08 19:52:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:52:04,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:52:04,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:52:04,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:52:04,572 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:52:04,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 19:52:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:52:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:20,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:52:20,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 19:52:20,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:52:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:52:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 224 states and 391 transitions. [2024-11-08 19:52:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 391 transitions. [2024-11-08 19:52:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 19:52:22,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:52:22,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:52:22,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:52:22,384 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:52:22,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 19:52:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:36,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:52:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:52:42,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-08 19:52:44,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 19:52:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:52:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 232 states and 421 transitions. [2024-11-08 19:52:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 421 transitions. [2024-11-08 19:52:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:52:47,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:52:47,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:52:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:52:47,683 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:52:47,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 19:53:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:01,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:53:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:06,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 2077 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:53:06,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-08 19:53:07,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 19:53:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 232 states and 419 transitions. [2024-11-08 19:53:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 419 transitions. [2024-11-08 19:53:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:53:07,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:53:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:53:07,611 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:53:07,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 19:53:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:21,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:53:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:27,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:53:27,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-08 19:53:27,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 19:53:30,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:53:31,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:53:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 233 states and 419 transitions. [2024-11-08 19:53:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 419 transitions. [2024-11-08 19:53:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:53:31,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:31,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:53:31,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:53:31,898 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:53:31,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 19:53:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:45,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:53:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:51,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:53:51,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-08 19:53:51,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 19:53:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 233 states and 417 transitions. [2024-11-08 19:53:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 417 transitions. [2024-11-08 19:53:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:53:52,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:52,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:53:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:53:52,546 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:53:52,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 19:54:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:54:06,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:54:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:54:12,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:54:12,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:54:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 19:54:13,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 19:54:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:54:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 241 states and 436 transitions. [2024-11-08 19:54:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 436 transitions. [2024-11-08 19:54:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 19:54:16,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:54:16,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:54:16,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:54:16,834 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:54:16,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 19:55:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:55:04,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:55:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:55:10,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:55:10,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:55:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 19:55:14,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 19:55:26,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:55:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:55:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 265 states and 517 transitions. [2024-11-08 19:55:41,563 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 517 transitions. [2024-11-08 19:55:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 19:55:41,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:55:41,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:55:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:55:41,574 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:55:41,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 19:55:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:55:57,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:56:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:56:03,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:56:03,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:56:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 19:56:05,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 19:56:08,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:56:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:56:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 272 states and 548 transitions. [2024-11-08 19:56:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 548 transitions. [2024-11-08 19:56:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 19:56:15,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:56:15,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:56:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:56:15,957 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:56:15,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 19:56:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:56:30,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:56:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:56:36,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:56:36,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:56:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 19:56:36,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 19:56:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:56:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 273 states and 548 transitions. [2024-11-08 19:56:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 548 transitions. [2024-11-08 19:56:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 19:56:39,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:56:39,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:56:39,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:56:39,646 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:56:39,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 19:56:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:56:55,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:57:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:57:02,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 2042 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:57:02,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:57:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-08 19:57:07,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 19:57:20,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:57:50,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:57:53,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:57:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:57:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 301 states and 653 transitions. [2024-11-08 19:57:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2024-11-08 19:57:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:57:58,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:57:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:57:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:57:58,282 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:57:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 19:58:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:58:14,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:58:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:58:20,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:58:20,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:58:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-08 19:58:24,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 19:58:30,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:58:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 301 states and 653 transitions. [2024-11-08 19:58:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2024-11-08 19:58:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:58:30,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:58:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:58:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:58:30,434 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:58:30,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 19:58:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:58:45,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:58:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:58:51,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:58:51,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:58:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-08 19:58:53,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 19:58:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:58:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 301 states and 653 transitions. [2024-11-08 19:58:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2024-11-08 19:58:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 19:58:53,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:58:53,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:58:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:58:53,075 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:58:53,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 19:59:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:59:08,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:59:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:59:14,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:59:14,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:59:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-08 19:59:15,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 19:59:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:59:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 301 states and 653 transitions. [2024-11-08 19:59:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2024-11-08 19:59:15,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 19:59:15,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:59:15,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:59:15,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:59:15,836 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:59:15,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93a34fc3-51e3-4920-9dcc-7b6bbc88835e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process