./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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 e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:15:18,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:15:18,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:15:18,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:15:18,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:15:18,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:15:18,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:15:18,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:15:18,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:15:18,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:15:18,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:15:18,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:15:18,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:15:18,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:15:18,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:15:18,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:15:18,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:15:18,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:15:18,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:15:18,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:15:18,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:15:18,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:15:18,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:15:18,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:15:18,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:15:18,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:15:18,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:15:18,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:15:18,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:15:18,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:15:18,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:15:18,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:15:18,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:15:18,812 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d [2023-12-03 00:15:19,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:15:19,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:15:19,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:15:19,044 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:15:19,045 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:15:19,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2023-12-03 00:15:21,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:15:22,183 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:15:22,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2023-12-03 00:15:22,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/10ed78fd3/f08c1f38ecaa45209bca19fc6a96ed7f/FLAG450605db2 [2023-12-03 00:15:22,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/10ed78fd3/f08c1f38ecaa45209bca19fc6a96ed7f [2023-12-03 00:15:22,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:15:22,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:15:22,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:15:22,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:15:22,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:15:22,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:22" (1/1) ... [2023-12-03 00:15:22,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be7a3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:22, skipping insertion in model container [2023-12-03 00:15:22,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:22" (1/1) ... [2023-12-03 00:15:22,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:15:23,314 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2023-12-03 00:15:23,596 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:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) 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.handleLoops(CHandler.java:3572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) 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) [2023-12-03 00:15:23,601 INFO L158 Benchmark]: Toolchain (without parser) took 1369.14ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 76.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:15:23,602 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:15:23,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1366.94ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 76.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:15:23,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1366.94ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 76.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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 e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:15:25,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:15:25,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:15:25,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:15:25,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:15:25,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:15:25,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:15:25,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:15:25,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:15:25,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:15:25,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:15:25,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:15:25,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:15:25,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:15:25,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:15:25,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:15:25,466 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:15:25,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:15:25,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:15:25,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:15:25,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:15:25,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:15:25,469 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:15:25,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:15:25,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:15:25,470 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:25,470 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:15:25,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:15:25,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:15:25,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:15:25,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:15:25,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:15:25,473 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:15:25,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:25,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:15:25,474 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:15:25,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:15:25,475 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5dfe403fa9085c96ebc6ba2764eb1c45311fd635f502b4818e4e04cfe371f3d [2023-12-03 00:15:25,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:15:25,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:15:25,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:15:25,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:15:25,816 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:15:25,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2023-12-03 00:15:28,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:15:28,976 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:15:28,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i [2023-12-03 00:15:29,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/5b8e16e60/0b127e9f419f4eb399d0d8d2b764dafc/FLAG3b11c695f [2023-12-03 00:15:29,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/data/5b8e16e60/0b127e9f419f4eb399d0d8d2b764dafc [2023-12-03 00:15:29,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:15:29,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:15:29,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:15:29,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:15:29,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:15:29,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:29" (1/1) ... [2023-12-03 00:15:29,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19763e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:29, skipping insertion in model container [2023-12-03 00:15:29,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:15:29" (1/1) ... [2023-12-03 00:15:29,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:15:30,014 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2023-12-03 00:15:30,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:15:30,363 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:15:30,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:15:30,428 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2023-12-03 00:15:30,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:15:30,556 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:15:30,591 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_2b973b61-fbf6-4829-8975-04eefeb3b7d6/sv-benchmarks/c/neural-networks/tanh_w8_r1_case_1_safe.c-amalgamation.i[71669,71682] [2023-12-03 00:15:30,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:15:31,041 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:15:31,041 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:15:31,042 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:15:31,042 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:15:31,042 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:15:31,048 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:15:31,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31 WrapperNode [2023-12-03 00:15:31,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:15:31,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:15:31,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:15:31,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:15:31,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,195 INFO L138 Inliner]: procedures = 780, calls = 1161, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 533 [2023-12-03 00:15:31,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:15:31,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:15:31,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:15:31,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:15:31,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:15:31,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:15:31,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:15:31,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:15:31,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:15:31" (1/1) ... [2023-12-03 00:15:31,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:15:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:15:31,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:15:31,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:15:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 00:15:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-03 00:15:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-03 00:15:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 00:15:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:15:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:15:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:15:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:15:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:15:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:15:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:15:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:15:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-03 00:15:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-03 00:15:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 00:15:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 00:15:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-03 00:15:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:15:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 00:15:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:15:31,547 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:15:31,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:15:50,137 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:15:51,060 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:15:51,060 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-03 00:15:51,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:15:51 BoogieIcfgContainer [2023-12-03 00:15:51,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:15:51,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:15:51,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:15:51,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:15:51,073 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:15:51" (1/1) ... [2023-12-03 00:15:51,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:15:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-03 00:15:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-03 00:15:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:15:51,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:51,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:51,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:51,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:51,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:15:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:52,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:53,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:15:53,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:54,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:16:04,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:16:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-03 00:16:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-03 00:16:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:16:04,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:04,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:04,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:04,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:04,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:17:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:23,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:24,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:17:24,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:17:24,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2023-12-03 00:17:24,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-03 00:17:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:17:25,139 INFO L349 Elim1Store]: treesize reduction 28, result has 24.3 percent of original size [2023-12-03 00:17:25,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 56 [2023-12-03 00:17:25,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-03 00:18:15,714 WARN L293 SmtUtils]: Spent 50.25s on a formula simplification. DAG size of input: 60 DAG size of output: 50 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:18:16,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:18:16,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 104 [2023-12-03 00:18:16,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2023-12-03 00:18:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:16,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:18:26,359 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:18:36,528 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:18:46,643 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:18:56,816 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:19:07,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:19:17,410 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:19:18,580 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 [0] [2023-12-03 00:19:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 123 transitions. [2023-12-03 00:19:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-12-03 00:19:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:19:20,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:20,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:20,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:20,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:20,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:19:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:21,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:22,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:19:22,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:22,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 00:19:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 124 transitions. [2023-12-03 00:19:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2023-12-03 00:19:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:19:22,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:22,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:22,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:22,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:19:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:24,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:25,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:19:25,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:26,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:19:36,232 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:19:46,623 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:19:56,923 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:20:07,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:20:17,656 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:20:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 137 transitions. [2023-12-03 00:20:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2023-12-03 00:20:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:20:23,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:23,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:23,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:23,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:23,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:20:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:24,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:25,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:20:25,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:20:26,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:20:28,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 145 transitions. [2023-12-03 00:20:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2023-12-03 00:20:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:20:31,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:31,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:31,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:31,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:31,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:20:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:32,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:33,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:20:33,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:20:33,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:20:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 151 transitions. [2023-12-03 00:20:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2023-12-03 00:20:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:20:34,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:34,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:34,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:34,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:20:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:36,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:37,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:20:37,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:20:40,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:20:50,955 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:01,743 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:12,370 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:22,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:21:33,372 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:21:41,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 120 states and 230 transitions. [2023-12-03 00:21:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 230 transitions. [2023-12-03 00:21:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:21:50,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:50,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:50,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:50,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:21:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:52,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:53,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:21:53,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:21:53,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:21:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 125 states and 240 transitions. [2023-12-03 00:21:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2023-12-03 00:21:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:21:54,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:54,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:54,595 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:21:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:56,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:57,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:21:57,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:21:57,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:22:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 129 states and 255 transitions. [2023-12-03 00:22:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 255 transitions. [2023-12-03 00:22:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:22:05,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:05,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:05,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:05,454 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:05,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:22:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:07,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:08,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:08,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:22:08,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:22:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 131 states and 261 transitions. [2023-12-03 00:22:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2023-12-03 00:22:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:22:12,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:12,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:12,582 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:12,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:22:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:14,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:15,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:22:15,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:22:15,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:22:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 124 states and 237 transitions. [2023-12-03 00:22:16,398 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 237 transitions. [2023-12-03 00:22:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:22:16,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:16,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:16,401 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:16,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:22:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:18,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:19,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:19,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:22:22,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:22:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 139 states and 282 transitions. [2023-12-03 00:22:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 282 transitions. [2023-12-03 00:22:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:22:38,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:38,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:38,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:38,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:38,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:22:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:40,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:41,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:41,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:22:42,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 143 states and 295 transitions. [2023-12-03 00:22:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 295 transitions. [2023-12-03 00:22:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:22:52,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:52,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:52,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:52,098 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:52,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:22:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:53,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:54,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:54,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:22:55,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:23:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 145 states and 300 transitions. [2023-12-03 00:23:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 300 transitions. [2023-12-03 00:23:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:00,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:00,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:00,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:00,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:00,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:23:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:02,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:03,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:23:03,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:23:06,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:23:08,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:10,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 161 states and 351 transitions. [2023-12-03 00:23:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 351 transitions. [2023-12-03 00:23:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:28,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:28,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:28,686 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:28,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:23:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:30,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:31,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:23:31,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:23:32,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:23:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 165 states and 364 transitions. [2023-12-03 00:23:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 364 transitions. [2023-12-03 00:23:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:23:43,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:43,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:43,551 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:23:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:45,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:46,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:23:46,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:23:46,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:23:52,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 167 states and 369 transitions. [2023-12-03 00:23:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 369 transitions. [2023-12-03 00:23:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 00:23:52,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:52,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:52,504 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:52,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:23:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:54,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:55,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:23:55,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:00,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:24:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 169 states and 376 transitions. [2023-12-03 00:24:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 376 transitions. [2023-12-03 00:24:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:24:19,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:19,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:19,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:19,943 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:19,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:24:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:21,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:22,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:24:22,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:24:23,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:24:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 175 states and 404 transitions. [2023-12-03 00:24:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 404 transitions. [2023-12-03 00:24:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:24:41,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:41,111 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:41,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:24:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:43,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:44,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:24:44,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:24:44,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:24:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 175 states and 403 transitions. [2023-12-03 00:24:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 403 transitions. [2023-12-03 00:24:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:24:44,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:44,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:44,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:44,577 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:44,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:24:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:46,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:47,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:24:47,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:24:47,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:24:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 177 states and 406 transitions. [2023-12-03 00:24:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 406 transitions. [2023-12-03 00:24:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:24:54,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:54,969 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:54,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:25:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:05,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:07,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:25:07,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:25:14,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:25:25,682 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:25:38,388 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:25:50,572 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:26:00,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:26:13,264 WARN L293 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:26:31,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:27:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:27:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:27:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:27:21,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:21,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:21,691 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:21,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:27:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:32,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:34,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:34,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:34,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:27:34,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:27:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:27:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:27:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:27:34,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:34,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:34,321 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:34,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:27:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:45,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:46,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:46,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:27:46,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:27:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:27:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:27:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:27:46,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:46,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:46,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:46,775 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:46,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:27:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:58,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:59,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:27:59,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:27:59,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:28:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:28:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:28:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:28:00,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:00,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:00,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:00,010 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:00,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:28:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:11,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:12,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:28:12,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:28:12,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:28:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:28:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:28:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:28:12,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:12,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:12,500 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:12,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:28:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:23,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:24,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:28:24,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:28:25,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:28:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:28:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:28:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:28:25,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:25,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:25,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:25,082 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:25,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:28:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:36,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:37,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:28:37,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:28:37,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:28:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:37,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:28:37,846 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:28:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:28:37,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:37,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:37,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:37,848 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:37,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:28:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:49,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:50,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:28:50,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:28:50,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:28:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:28:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:28:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:28:50,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:50,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:50,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:50,591 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:50,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:29:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:02,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:03,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:29:03,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:29:03,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:29:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:29:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:29:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:29:03,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:03,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:03,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:03,529 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:03,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:29:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:15,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:16,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:29:16,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:29:16,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:29:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:29:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:29:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:29:16,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:16,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:16,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:16,644 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:16,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:29:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:28,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:29,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:29:29,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:29:29,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:29:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:29:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:29:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:29:29,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:29,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:29,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:29,563 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:29,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:29:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:41,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:42,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:29:42,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:29:42,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:29:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:29:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:29:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:29:42,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:42,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:42,852 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:42,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:29:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:54,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:55,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:29:55,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:29:56,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:29:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:29:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:29:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:29:56,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:56,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:56,078 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:56,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:30:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:07,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:30:08,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:30:09,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:30:09,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 188 states and 462 transitions. [2023-12-03 00:30:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 462 transitions. [2023-12-03 00:30:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:30:09,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:09,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:09,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:09,066 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:09,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b973b61-fbf6-4829-8975-04eefeb3b7d6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process