./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_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_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/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_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/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_86d92e06-3669-4171-ac1a-4610c034ea55/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 b9a24027a4c1bc57bb461906ea2a28ee4864eb67413260f697a6f13a2e3cac98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:54:22,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:54:22,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:54:22,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:54:22,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:54:22,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:54:22,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:54:22,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:54:22,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:54:22,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:54:22,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:54:22,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:54:22,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:54:22,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:54:22,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:54:22,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:54:22,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:54:22,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:54:22,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:54:22,252 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:54:22,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:54:22,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:54:22,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:54:22,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:54:22,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:54:22,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:54:22,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:22,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:54:22,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:54:22,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:54:22,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:54:22,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:54:22,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:54:22,258 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_86d92e06-3669-4171-ac1a-4610c034ea55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9a24027a4c1bc57bb461906ea2a28ee4864eb67413260f697a6f13a2e3cac98 [2023-12-02 21:54:22,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:54:22,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:54:22,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:54:22,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:54:22,496 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:54:22,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-02 21:54:25,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:54:25,625 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:54:25,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-02 21:54:25,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/62eaf580f/0201fc1fc6c64692bae5d8eade20b6a4/FLAG05f4d1c7e [2023-12-02 21:54:25,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/62eaf580f/0201fc1fc6c64692bae5d8eade20b6a4 [2023-12-02 21:54:25,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:54:25,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:54:25,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:54:25,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:54:25,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:54:25,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:25" (1/1) ... [2023-12-02 21:54:25,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ca05dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:25, skipping insertion in model container [2023-12-02 21:54:25,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:25" (1/1) ... [2023-12-02 21:54:25,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:54:26,620 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: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.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:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) 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 21:54:26,624 INFO L158 Benchmark]: Toolchain (without parser) took 951.54ms. Allocated memory is still 195.0MB. Free memory was 153.1MB in the beginning and 132.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:54:26,625 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:54:26,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.20ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 132.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:54:26,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.20ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 132.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. 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: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_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/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_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/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_86d92e06-3669-4171-ac1a-4610c034ea55/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 b9a24027a4c1bc57bb461906ea2a28ee4864eb67413260f697a6f13a2e3cac98 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:54:28,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:54:28,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:54:28,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:54:28,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:54:28,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:54:28,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:54:28,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:54:28,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:54:28,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:54:28,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:54:28,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:54:28,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:54:28,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:54:28,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:54:28,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:54:28,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:54:28,520 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:54:28,520 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:54:28,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:54:28,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:54:28,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:54:28,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:54:28,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:54:28,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:54:28,528 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:28,528 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:54:28,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:54:28,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:28,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:54:28,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:54:28,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:54:28,531 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:54:28,531 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:28,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:54:28,532 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:54:28,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:54:28,532 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_86d92e06-3669-4171-ac1a-4610c034ea55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9a24027a4c1bc57bb461906ea2a28ee4864eb67413260f697a6f13a2e3cac98 [2023-12-02 21:54:28,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:54:28,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:54:28,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:54:28,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:54:28,831 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:54:28,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-02 21:54:31,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:54:31,986 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:54:31,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i [2023-12-02 21:54:32,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/9e8da2530/3c910363462344ccb6f9cef080e73cf7/FLAG2cba06f5d [2023-12-02 21:54:32,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/data/9e8da2530/3c910363462344ccb6f9cef080e73cf7 [2023-12-02 21:54:32,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:54:32,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:54:32,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:54:32,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:54:32,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:54:32,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:32" (1/1) ... [2023-12-02 21:54:32,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a76a8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:32, skipping insertion in model container [2023-12-02 21:54:32,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:54:32" (1/1) ... [2023-12-02 21:54:32,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:54:33,027 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_86d92e06-3669-4171-ac1a-4610c034ea55/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i[71489,71502] [2023-12-02 21:54:33,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:54:33,406 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:54:33,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:54:33,459 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_86d92e06-3669-4171-ac1a-4610c034ea55/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i[71489,71502] [2023-12-02 21:54:33,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:54:33,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:54:33,607 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_86d92e06-3669-4171-ac1a-4610c034ea55/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_1_safe.c-amalgamation.i[71489,71502] [2023-12-02 21:54:33,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:54:34,044 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:54:34,044 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:54:34,044 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:54:34,044 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:54:34,050 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:54:34,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34 WrapperNode [2023-12-02 21:54:34,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:54:34,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:54:34,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:54:34,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:54:34,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,227 INFO L138 Inliner]: procedures = 779, calls = 1350, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1947 [2023-12-02 21:54:34,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:54:34,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:54:34,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:54:34,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:54:34,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:54:34,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:54:34,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:54:34,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:54:34,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:54:34" (1/1) ... [2023-12-02 21:54:34,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:54:34,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:54:34,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:54:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 21:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 21:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 21:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 21:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 21:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 21:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 21:54:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 21:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 21:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 21:54:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 21:54:34,712 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:54:34,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:55:26,337 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:55:28,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:55:28,900 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 21:55:28,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:28 BoogieIcfgContainer [2023-12-02 21:55:28,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:55:28,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:55:28,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:55:28,910 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:55:28,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:28" (1/1) ... [2023-12-02 21:55:28,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:55:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-02 21:55:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-02 21:55:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 21:55:28,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:28,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:28,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:28,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:55:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:53,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:56:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:05,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 5903 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:56:05,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 21:56:06,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:56:19,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:20,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:22,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:25,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:27,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:31,429 WARN L539 Checker$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 [] [2023-12-02 21:56:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-02 21:56:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-02 21:56:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:56:31,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:31,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:56:31,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:56:31,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:56:31,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:56:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:55,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:57:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:05,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 5908 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:05,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 21:57:07,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:57:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-02 21:57:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-02 21:57:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:57:09,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:09,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:09,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:09,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:09,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:57:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:34,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:57:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:44,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 5912 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:44,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 21:57:45,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:57:48,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:57:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-02 21:57:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-02 21:57:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 21:57:48,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:48,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:48,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:48,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:48,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:58:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:13,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:58:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:24,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 5918 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:58:24,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:58:25,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:58:29,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:58:32,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:58:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-02 21:58:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-02 21:58:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:58:35,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:35,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:35,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:35,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:35,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:59:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:00,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:10,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 5911 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:59:10,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 21:59:12,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:59:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2023-12-02 21:59:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2023-12-02 21:59:16,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:59:16,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:16,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:16,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:16,343 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:16,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:59:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:40,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:52,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 5976 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:59:52,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 21:59:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:59:57,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:01,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-02 22:00:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-02 22:00:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 22:00:03,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:03,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:03,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:03,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:03,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:00:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:28,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:38,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 5925 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:00:38,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 22:00:40,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:00:43,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:51,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-02 22:00:51,311 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-02 22:00:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 22:00:51,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:51,314 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:51,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:01:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:15,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:26,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 5928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:01:26,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 22:01:28,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:01:31,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:01:32,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:01:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-02 22:01:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-02 22:01:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 22:01:37,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:37,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:37,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:37,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:37,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:02:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:03,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:15,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 5931 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:02:15,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-02 22:02:20,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:02:37,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:02:44,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:02:45,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:03:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:03:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:03:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 22:03:13,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:13,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:13,238 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:13,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:03:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:41,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:52,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 5915 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:03:52,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 22:03:55,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:04:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2023-12-02 22:04:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2023-12-02 22:04:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:04:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:03,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:03,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:03,746 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:03,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:04:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:30,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:42,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:04:42,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:04:48,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:04:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2023-12-02 22:04:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2023-12-02 22:04:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 22:04:56,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:56,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:56,909 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:05:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:23,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:34,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:05:34,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:05:40,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:05:52,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:55,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:05:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 198 states and 482 transitions. [2023-12-02 22:05:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 482 transitions. [2023-12-02 22:05:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 22:05:57,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:57,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:57,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:57,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:06:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:24,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:06:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:06:36,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:06:36,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:06:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 22:06:40,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:06:47,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:49,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:06:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:06:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 209 states and 511 transitions. [2023-12-02 22:06:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 511 transitions. [2023-12-02 22:06:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 22:06:55,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:06:55,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:06:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:06:55,196 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:06:55,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:07:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:20,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:07:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:32,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 5928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:32,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-12-02 22:07:38,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:07:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 216 states and 534 transitions. [2023-12-02 22:07:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 534 transitions. [2023-12-02 22:07:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-02 22:07:51,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:07:51,541 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:07:51,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:08:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:17,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:08:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:08:29,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 5930 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:08:29,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:08:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-12-02 22:08:36,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:08:44,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:08:45,774 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 [] [2023-12-02 22:08:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 224 states and 561 transitions. [2023-12-02 22:08:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 561 transitions. [2023-12-02 22:08:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:08:57,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:57,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:08:57,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:08:57,417 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:08:57,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d92e06-3669-4171-ac1a-4610c034ea55/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process