./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3eac94ab0c7cf6fc17507626d85e821af2b5795e07a82a02c7c055a57a1c94b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:40:14,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:40:14,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:40:14,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:40:14,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:40:14,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:40:14,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:40:14,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:40:14,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:40:14,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:40:14,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:40:14,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:40:14,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:40:14,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:40:14,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:40:14,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:40:14,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:40:14,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:40:14,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:40:14,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:40:14,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:40:14,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:40:14,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:40:14,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:40:14,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:40:14,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:40:14,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:14,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:40:14,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:40:14,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:40:14,147 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:40:14,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:40:14,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:40:14,148 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_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3eac94ab0c7cf6fc17507626d85e821af2b5795e07a82a02c7c055a57a1c94b [2023-12-02 21:40:14,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:40:14,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:40:14,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:40:14,372 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:40:14,373 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:40:14,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i [2023-12-02 21:40:17,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:40:17,388 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:40:17,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i [2023-12-02 21:40:17,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/b8b0972fd/7329d42491d34aa5a9098339247c564e/FLAG799495dfc [2023-12-02 21:40:17,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/b8b0972fd/7329d42491d34aa5a9098339247c564e [2023-12-02 21:40:17,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:40:17,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:40:17,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:17,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:40:17,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:40:17,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:17" (1/1) ... [2023-12-02 21:40:17,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b01ab39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:17, skipping insertion in model container [2023-12-02 21:40:17,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:17" (1/1) ... [2023-12-02 21:40:17,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:40:18,020 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$76(StandardFunctionHandler.java:455) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:40:18,024 INFO L158 Benchmark]: Toolchain (without parser) took 598.70ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 99.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:40:18,025 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:40:18,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.64ms. Allocated memory is still 165.7MB. Free memory was 114.3MB in the beginning and 99.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:40:18,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.64ms. Allocated memory is still 165.7MB. Free memory was 114.3MB in the beginning and 99.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3eac94ab0c7cf6fc17507626d85e821af2b5795e07a82a02c7c055a57a1c94b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:40:19,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:40:19,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:40:19,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:40:19,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:40:19,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:40:19,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:40:19,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:40:19,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:40:19,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:40:19,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:40:19,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:40:19,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:40:19,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:40:19,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:40:19,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:40:19,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:40:19,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:40:19,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:40:19,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:40:19,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:40:19,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:40:19,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:40:19,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:40:19,784 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:40:19,784 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:19,785 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:40:19,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:40:19,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:19,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:40:19,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:40:19,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:40:19,788 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:40:19,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:19,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:40:19,789 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:40:19,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:40:19,789 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3eac94ab0c7cf6fc17507626d85e821af2b5795e07a82a02c7c055a57a1c94b [2023-12-02 21:40:20,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:40:20,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:40:20,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:40:20,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:40:20,104 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:40:20,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i [2023-12-02 21:40:22,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:40:23,180 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:40:23,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i [2023-12-02 21:40:23,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/14c3a8eb5/9655f2aeafda4eb6b3627e50bb76edac/FLAGe793244f5 [2023-12-02 21:40:23,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/data/14c3a8eb5/9655f2aeafda4eb6b3627e50bb76edac [2023-12-02 21:40:23,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:40:23,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:40:23,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:23,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:40:23,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:40:23,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:23" (1/1) ... [2023-12-02 21:40:23,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d647516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:23, skipping insertion in model container [2023-12-02 21:40:23,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:40:23" (1/1) ... [2023-12-02 21:40:23,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:40:23,893 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i[63649,63662] [2023-12-02 21:40:23,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:23,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:40:23,960 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/sv-benchmarks/c/neural-networks/softmax_2_safe.c-amalgamation.i[63649,63662] [2023-12-02 21:40:23,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:40:24,124 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:40:24,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24 WrapperNode [2023-12-02 21:40:24,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:40:24,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:24,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:40:24,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:40:24,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,191 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2023-12-02 21:40:24,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:40:24,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:40:24,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:40:24,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:40:24,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:40:24,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:40:24,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:40:24,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:40:24,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:40:24" (1/1) ... [2023-12-02 21:40:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:40:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:40:24,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:40:24,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:40:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:40:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:40:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:40:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:40:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:40:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:40:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:40:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:40:24,431 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:40:24,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:40:26,910 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:40:27,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:40:27,031 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 21:40:27,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:27 BoogieIcfgContainer [2023-12-02 21:40:27,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:40:27,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:40:27,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:40:27,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:40:27,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:27" (1/1) ... [2023-12-02 21:40:27,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:40:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-12-02 21:40:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-12-02 21:40:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:40:27,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:27,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:27,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:27,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:40:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:27,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:27,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:40:27,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:27,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:30,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-12-02 21:40:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-12-02 21:40:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:30,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:30,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:30,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:30,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:40:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:30,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:30,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:40:30,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:40:30,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:40:30,711 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:40:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-12-02 21:40:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-12-02 21:40:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:40:31,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:31,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:31,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:31,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:40:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:31,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:31,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:40:31,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:40:31,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:40:34,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-12-02 21:40:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-12-02 21:40:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:40:34,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:34,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:34,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:34,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:35,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:40:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:35,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:40:35,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:40:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-02 21:40:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-02 21:40:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:40:36,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:36,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:36,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:36,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:36,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:40:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:36,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:36,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:36,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:40:36,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:40:37,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-12-02 21:40:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-12-02 21:40:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:40:37,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:37,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:37,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:37,475 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:37,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:40:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:38,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:38,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:38,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:40:38,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:40:40,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:41,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:43,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-02 21:40:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-02 21:40:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:40:44,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:44,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:44,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:44,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:44,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:40:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:45,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:45,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:40:45,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:40:45,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:40:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-12-02 21:40:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-12-02 21:40:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:40:46,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:46,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:46,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:46,060 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:46,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:40:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:46,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:47,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:40:47,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:40:47,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:40:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-02 21:40:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-02 21:40:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:40:47,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:47,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:47,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:47,970 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:47,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:40:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:48,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:49,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:40:49,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:40:49,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:40:50,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:54,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-12-02 21:40:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-12-02 21:40:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:40:54,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:54,363 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:54,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:40:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:55,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:55,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:40:55,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:40:56,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:40:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-02 21:40:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-02 21:40:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:40:56,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:56,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:56,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:40:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:57,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:58,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:40:58,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 21:40:58,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:41:01,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:41:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-02 21:41:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-02 21:41:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:41:03,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:03,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:03,171 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:03,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a49762e1-3acb-40b8-9fb3-e024ee333a32/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:41:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:41:07,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:41:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat