./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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 b6bed64009649a7cbdd6f5e99484b4e350d5171c84ea28caadb01105a2d9d17e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:52:15,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:52:15,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:52:15,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:52:15,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:52:15,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:52:15,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:52:15,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:52:15,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:52:15,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:52:15,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:52:15,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:52:15,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:52:15,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:52:15,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:52:15,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:52:15,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:52:15,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:52:15,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:52:15,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:52:15,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:52:15,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:52:15,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:52:15,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:52:15,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:52:15,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:52:15,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:52:15,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:52:15,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:52:15,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:52:15,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:52:15,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:52:15,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:52:15,825 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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6bed64009649a7cbdd6f5e99484b4e350d5171c84ea28caadb01105a2d9d17e [2023-12-02 20:52:16,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:52:16,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:52:16,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:52:16,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:52:16,050 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:52:16,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i [2023-12-02 20:52:18,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:52:19,128 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:52:19,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i [2023-12-02 20:52:19,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/c0bd49d09/abe97b688e19475e88b315a6ab3e9a73/FLAGdf608425a [2023-12-02 20:52:19,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/c0bd49d09/abe97b688e19475e88b315a6ab3e9a73 [2023-12-02 20:52:19,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:52:19,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:52:19,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:52:19,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:52:19,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:52:19,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:19" (1/1) ... [2023-12-02 20:52:19,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5034ec70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:19, skipping insertion in model container [2023-12-02 20:52:19,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:19" (1/1) ... [2023-12-02 20:52:19,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:52:20,049 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 20:52:20,054 INFO L158 Benchmark]: Toolchain (without parser) took 877.45ms. Allocated memory is still 148.9MB. Free memory was 104.5MB in the beginning and 84.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:52:20,054 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 98.6MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:52:20,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.12ms. Allocated memory is still 148.9MB. Free memory was 104.5MB in the beginning and 84.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:52:20,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 98.6MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.12ms. Allocated memory is still 148.9MB. Free memory was 104.5MB in the beginning and 84.0MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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 b6bed64009649a7cbdd6f5e99484b4e350d5171c84ea28caadb01105a2d9d17e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:52:21,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:52:21,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:52:21,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:52:21,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:52:21,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:52:21,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:52:21,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:52:21,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:52:21,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:52:21,867 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:52:21,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:52:21,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:52:21,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:52:21,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:52:21,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:52:21,870 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:52:21,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:52:21,871 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:52:21,872 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:52:21,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:52:21,873 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:52:21,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:52:21,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:52:21,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:52:21,875 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:52:21,875 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:52:21,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:52:21,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:52:21,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:52:21,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:52:21,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:52:21,878 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:52:21,878 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:52:21,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:52:21,879 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:52:21,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:52:21,880 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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6bed64009649a7cbdd6f5e99484b4e350d5171c84ea28caadb01105a2d9d17e [2023-12-02 20:52:22,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:52:22,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:52:22,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:52:22,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:52:22,169 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:52:22,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i [2023-12-02 20:52:24,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:52:25,225 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:52:25,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i [2023-12-02 20:52:25,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/fd2a4c247/2444fb5f19324585b48c43912de13960/FLAG331b86af9 [2023-12-02 20:52:25,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/data/fd2a4c247/2444fb5f19324585b48c43912de13960 [2023-12-02 20:52:25,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:52:25,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:52:25,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:52:25,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:52:25,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:52:25,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:25" (1/1) ... [2023-12-02 20:52:25,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713bdf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:25, skipping insertion in model container [2023-12-02 20:52:25,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:52:25" (1/1) ... [2023-12-02 20:52:25,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:52:26,235 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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i[71489,71502] [2023-12-02 20:52:26,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:52:26,580 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 20:52:26,616 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:52:26,637 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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i[71489,71502] [2023-12-02 20:52:26,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:52:26,754 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:52:26,789 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_c1a8d70b-480a-479a-ac9e-ed818574ddd3/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_2_safe.c-amalgamation.i[71489,71502] [2023-12-02 20:52:26,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:52:27,244 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:52:27,244 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:52:27,244 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:52:27,244 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:52:27,252 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:52:27,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27 WrapperNode [2023-12-02 20:52:27,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:52:27,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:52:27,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:52:27,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:52:27,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,439 INFO L138 Inliner]: procedures = 779, calls = 1350, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1947 [2023-12-02 20:52:27,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:52:27,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:52:27,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:52:27,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:52:27,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:52:27,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:52:27,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:52:27,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:52:27,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:52:27" (1/1) ... [2023-12-02 20:52:27,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:52:27,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:52:27,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:52:27,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:52:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 20:52:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 20:52:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:52:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:52:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:52:27,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:52:27,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 20:52:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 20:52:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:52:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:52:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 20:52:27,649 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 20:52:27,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:52:27,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:52:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:52:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:52:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 20:52:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 20:52:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:52:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 20:52:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 20:52:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 20:52:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:52:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:52:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 20:52:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 20:52:27,893 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:52:27,896 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:53:34,288 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:53:37,040 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:53:37,041 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 20:53:37,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:37 BoogieIcfgContainer [2023-12-02 20:53:37,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:53:37,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:53:37,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:53:37,053 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:53:37,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:37" (1/1) ... [2023-12-02 20:53:37,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:53:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-02 20:53:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-02 20:53:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 20:53:37,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:53:37,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:53:37,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:53:37,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:54:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:05,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:54:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:21,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 5903 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:54:21,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:22,355 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 20:54:22,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:54:36,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:37,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:38,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:42,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:44,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:48,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:54:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-02 20:54:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-02 20:54:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 20:54:48,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:54:48,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:54:48,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:54:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 20:55:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:15,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:55:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:27,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 5905 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:55:27,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:55:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 20:55:29,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 20:55:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:55:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-02 20:55:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-02 20:55:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 20:55:31,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:55:31,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:55:31,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:55:31,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:55:31,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 20:55:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:55:58,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:12,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 5912 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:12,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:13,617 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 20:56:13,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 20:56:16,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:56:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-02 20:56:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-02 20:56:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 20:56:16,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:16,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:16,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:16,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 20:56:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:44,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:57,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:56:57,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-02 20:56:59,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 20:57:01,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:02,367 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 20:57:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-02 20:57:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-02 20:57:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 20:57:05,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:05,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:05,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:05,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:05,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 20:57:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:34,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:57:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:47,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 5920 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:57:47,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-12-02 20:57:49,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 20:57:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2023-12-02 20:57:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2023-12-02 20:57:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 20:57:53,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:53,687 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:53,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 20:58:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:21,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:35,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 5976 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:58:35,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:36,967 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 20:58:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 20:58:41,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:44,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:45,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:47,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:58:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-02 20:58:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-02 20:58:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 20:58:47,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:47,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:58:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:58:47,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:58:47,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 20:59:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:18,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:35,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 5958 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:35,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:38,215 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 20:59:38,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 20:59:41,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:59:44,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 20:59:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-02 20:59:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-02 20:59:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 20:59:50,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:50,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:50,848 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:50,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:00:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:21,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:34,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 5913 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:00:34,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:36,396 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 21:00:36,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:00:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-02 21:00:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-02 21:00:43,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 21:00:43,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:43,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:43,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:43,391 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:43,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:01:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:09,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:22,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 5915 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:01:22,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:24,900 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 21:01:24,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:01:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 168 states and 378 transitions. [2023-12-02 21:01:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 378 transitions. [2023-12-02 21:01:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:01:29,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:29,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:29,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:29,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:29,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:01:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:56,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:08,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:02:08,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:13,546 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 21:02:13,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:02:28,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:02:34,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:03:00,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:03:03,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:03:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 192 states and 458 transitions. [2023-12-02 21:03:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 458 transitions. [2023-12-02 21:03:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:03:05,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:05,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:05,157 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:05,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:03:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:32,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:44,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 5927 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:03:44,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:48,070 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 21:03:48,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:03:54,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:03:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 203 states and 487 transitions. [2023-12-02 21:03:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 487 transitions. [2023-12-02 21:03:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 21:03:58,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:58,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:58,430 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:58,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:04:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:24,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:37,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:04:37,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:42,682 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 21:04:42,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:04:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 203 states and 487 transitions. [2023-12-02 21:04:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 487 transitions. [2023-12-02 21:04:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 21:04:50,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:50,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:50,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:50,672 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:50,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:05:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:21,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:37,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:05:37,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:40,877 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 21:05:40,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-02 21:05:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 203 states and 487 transitions. [2023-12-02 21:05:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 487 transitions. [2023-12-02 21:05:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 21:05:42,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:42,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:42,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:42,442 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:42,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:06:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:10,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:25,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 5928 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:06:25,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:30,781 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 21:06:30,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:06:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 210 states and 510 transitions. [2023-12-02 21:06:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 510 transitions. [2023-12-02 21:06:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 21:06:43,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:43,996 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1a8d70b-480a-479a-ac9e-ed818574ddd3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process