./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/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_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/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_910722e1-cc85-4093-aa54-b56e688d551a/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 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:50:22,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:50:22,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:50:22,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:50:22,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:50:22,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:50:22,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:50:22,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:50:22,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:50:22,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:50:22,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:50:22,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:50:22,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:50:22,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:50:22,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:50:22,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:50:22,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:50:22,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:50:22,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:50:22,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:50:22,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:50:22,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:50:22,207 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:50:22,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:50:22,208 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:50:22,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:50:22,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:22,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:50:22,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:50:22,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:50:22,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:50:22,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:50:22,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:50:22,211 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_910722e1-cc85-4093-aa54-b56e688d551a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b [2023-12-02 21:50:22,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:50:22,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:50:22,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:50:22,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:50:22,490 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:50:22,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2023-12-02 21:50:25,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:50:25,389 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:50:25,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2023-12-02 21:50:25,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/1a99dab4a/b2a99b82a9f846cab503af2348d9592c/FLAG37f0b24f1 [2023-12-02 21:50:25,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/1a99dab4a/b2a99b82a9f846cab503af2348d9592c [2023-12-02 21:50:25,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:50:25,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:50:25,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:25,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:50:25,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:50:25,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc9efb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25, skipping insertion in model container [2023-12-02 21:50:25,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:50:25,616 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_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2023-12-02 21:50:25,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:25,705 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:50:25,718 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_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2023-12-02 21:50:25,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:25,754 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:50:25,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25 WrapperNode [2023-12-02 21:50:25,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:25,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:25,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:50:25,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:50:25,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,798 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-12-02 21:50:25,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:25,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:50:25,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:50:25,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:50:25,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:50:25,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:50:25,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:50:25,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:50:25,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:25" (1/1) ... [2023-12-02 21:50:25,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:25,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:50:25,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:50:25,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:50:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:50:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:50:25,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:50:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:50:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:50:25,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:50:25,965 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:50:25,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:50:26,205 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:50:26,377 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:50:26,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:50:26,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:50:26 BoogieIcfgContainer [2023-12-02 21:50:26,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:50:26,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:50:26,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:50:26,388 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:50:26,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:50:26" (1/1) ... [2023-12-02 21:50:26,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:50:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-02 21:50:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-02 21:50:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:50:26,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:50:26,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:50:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:50:26,763 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:50:26,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:50:26 ImpRootNode [2023-12-02 21:50:26,840 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:50:26,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:50:26,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:50:26,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:50:26,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:50:26" (3/4) ... [2023-12-02 21:50:26,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:50:26,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:50:26,846 INFO L158 Benchmark]: Toolchain (without parser) took 1425.01ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 113.5MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:50:26,846 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:50:26,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.62ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 114.9MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:50:26,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.45ms. Allocated memory is still 144.7MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:50:26,848 INFO L158 Benchmark]: Boogie Preprocessor took 24.14ms. Allocated memory is still 144.7MB. Free memory was 112.8MB in the beginning and 111.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:50:26,849 INFO L158 Benchmark]: RCFGBuilder took 555.39ms. Allocated memory is still 144.7MB. Free memory was 111.1MB in the beginning and 75.5MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 21:50:26,849 INFO L158 Benchmark]: CodeCheck took 459.29ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 113.5MB in the end (delta: -38.0MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-02 21:50:26,850 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 144.7MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:50:26,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = 2; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 0; [L26] signed char var_1_5 = 32; [L27] signed char var_1_6 = 10; [L28] double var_1_7 = 1000000.625; [L29] double var_1_8 = 16.65; [L30] signed char var_1_9 = 25; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 0.25; [L34] unsigned short int var_1_13 = 54726; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L67] CALL assume_abort_if_not(var_1_2 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_char() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L74] var_1_5 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L77] var_1_6 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L80] var_1_8 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_13 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_9=25] [L103] RET updateVariables() [L104] CALL step() [L38] var_1_1 = ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))) [L39] signed char stepLocal_0 = var_1_4; [L40] EXPR var_1_6 & var_1_3 [L40] COND FALSE !(((~ var_1_5) * (var_1_6 & var_1_3)) >= stepLocal_0) [L43] unsigned char stepLocal_1 = var_1_10; [L44] COND FALSE !(stepLocal_1 && var_1_11) [L47] signed long int stepLocal_4 = var_1_13 - var_1_5; [L48] unsigned char stepLocal_3 = var_1_10; [L49] unsigned char stepLocal_2 = var_1_10; [L50] COND TRUE var_1_11 || stepLocal_3 [L51] COND FALSE !(stepLocal_2 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) [L58] var_1_12 = var_1_8 [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95] EXPR var_1_6 & var_1_3 [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95-L96] return (((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1)) && ((var_1_10 && var_1_11) ? (var_1_9 == ((signed char) (var_1_3 - var_1_2))) : 1)) && ((var_1_11 || var_1_10) ? ((var_1_10 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) ? (((var_1_13 - var_1_5) < var_1_2) ? (var_1_12 == ((float) var_1_8)) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=31, var_1_6=33, var_1_7=8000005/8, var_1_8=2, var_1_9=25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.62ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 114.9MB in the end (delta: -11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.45ms. Allocated memory is still 144.7MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.14ms. Allocated memory is still 144.7MB. Free memory was 112.8MB in the beginning and 111.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.39ms. Allocated memory is still 144.7MB. Free memory was 111.1MB in the beginning and 75.5MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 459.29ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 113.5MB in the end (delta: -38.0MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 144.7MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:50:26,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/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_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/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_910722e1-cc85-4093-aa54-b56e688d551a/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 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:50:28,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:50:28,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:50:28,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:50:28,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:50:28,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:50:28,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:50:28,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:50:28,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:50:28,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:50:28,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:50:28,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:50:28,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:50:28,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:50:28,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:50:28,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:50:28,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:50:28,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:50:28,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:50:28,905 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:50:28,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:50:28,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:50:28,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:50:28,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:50:28,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:50:28,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:28,909 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:50:28,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:50:28,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:28,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:50:28,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:50:28,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:50:28,912 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:50:28,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:28,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:50:28,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:50:28,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:50:28,913 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_910722e1-cc85-4093-aa54-b56e688d551a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8876f6eb9f613cb29715c4f42ee784bd0e24b5eed933337274de9fdb9ce0c47b [2023-12-02 21:50:29,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:50:29,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:50:29,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:50:29,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:50:29,216 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:50:29,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2023-12-02 21:50:32,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:50:32,219 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:50:32,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i [2023-12-02 21:50:32,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/d1cf83629/773262a8063340dbba16009263c42e60/FLAGd2904f9e8 [2023-12-02 21:50:32,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/data/d1cf83629/773262a8063340dbba16009263c42e60 [2023-12-02 21:50:32,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:50:32,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:50:32,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:32,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:50:32,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:50:32,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b18f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32, skipping insertion in model container [2023-12-02 21:50:32,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,282 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:50:32,435 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_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2023-12-02 21:50:32,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:32,489 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:50:32,502 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_910722e1-cc85-4093-aa54-b56e688d551a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-92.i[915,928] [2023-12-02 21:50:32,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:32,543 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:50:32,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32 WrapperNode [2023-12-02 21:50:32,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:32,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:32,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:50:32,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:50:32,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,592 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-12-02 21:50:32,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:32,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:50:32,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:50:32,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:50:32,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:50:32,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:50:32,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:50:32,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:50:32,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:32" (1/1) ... [2023-12-02 21:50:32,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:32,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:50:32,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:50:32,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:50:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:50:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:50:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:50:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:50:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:50:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:50:32,808 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:50:32,810 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:50:33,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:50:33,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:50:33,525 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:50:33,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:50:33 BoogieIcfgContainer [2023-12-02 21:50:33,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:50:33,528 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:50:33,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:50:33,538 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:50:33,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:50:33" (1/1) ... [2023-12-02 21:50:33,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:50:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-02 21:50:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-02 21:50:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:50:33,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:33,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:50:33,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:50:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:50:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:34,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:50:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:34,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:50:34,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:50:51,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:50:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2023-12-02 21:50:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2023-12-02 21:50:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:50:53,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:53,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:50:53,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:50:53,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:50:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:54,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:50:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:54,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:50:54,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:51:09,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:51:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:51:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:51:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:51:11,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:51:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:51:11,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:51:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:51:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:11,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:51:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:12,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:51:12,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:51:26,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:51:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:51:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:51:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:51:27,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:27,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:51:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:51:27,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:51:27,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:51:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:27,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:51:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:28,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:51:28,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:51:42,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:51:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:51:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:51:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:51:42,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:42,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:51:42,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:51:42,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:51:42,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:51:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:43,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:51:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:43,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:51:43,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:51:57,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:51:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:51:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:51:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:51:57,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:57,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:51:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:51:57,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:51:57,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:51:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:57,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:51:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:57,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:51:57,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:52:12,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:52:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:52:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:52:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:52:12,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:12,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:52:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:52:12,402 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:52:12,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:52:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:12,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:52:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:13,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:52:13,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:52:27,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:52:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:52:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:52:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:52:27,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:27,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:52:27,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:52:27,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:52:27,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:52:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:28,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:52:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:28,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:52:28,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:52:44,798 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:52:44,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:52:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:52:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:52:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:52:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:44,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:52:44,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:52:44,828 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:52:44,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:52:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:45,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:52:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:45,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:52:45,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:53:02,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:53:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:53:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:53:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:53:02,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:53:02,144 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:53:02,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:53:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:02,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:53:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:02,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:53:02,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:53:17,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:53:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:53:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:53:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:53:17,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:17,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:17,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:53:17,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:53:17,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:53:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:18,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:53:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:18,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:53:18,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:53:33,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-02 21:53:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:53:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:53:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:53:33,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:33,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:33,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:53:33,638 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:53:33,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:53:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:34,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:53:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:34,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:53:34,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:53:48,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-02 21:53:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:53:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:53:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:53:48,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:48,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:53:48,758 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:53:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:53:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:49,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:53:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:49,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:53:49,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:54:04,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:54:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:54:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:54:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:54:04,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:04,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:04,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:54:04,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:54:04,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:54:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:05,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:54:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:05,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:54:05,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:54:20,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:54:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:54:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:54:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:54:20,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:20,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:54:20,652 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:54:20,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:54:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:21,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:54:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:21,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:54:21,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:54:35,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:54:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:54:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:54:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:54:36,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:36,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:36,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:54:36,007 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:54:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:54:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:36,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:54:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:36,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:54:36,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:54:51,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 21:54:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:54:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:54:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:54:51,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:54:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:54:51,820 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:54:51,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:54:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:52,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:54:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:52,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:54:52,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:55:07,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:55:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:55:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:55:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:07,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:07,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:07,594 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:55:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:55:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:55:08,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:55:23,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:55:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:55:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:55:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:23,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:23,108 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:23,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:55:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:23,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:55:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:23,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:55:23,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:55:38,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:55:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:55:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:55:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:38,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:38,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:38,929 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:38,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:55:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:39,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:55:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:39,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:55:39,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:55:53,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:55:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:55:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:55:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:55:53,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:53,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:55:53,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:55:53,454 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:55:53,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:55:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:53,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:55:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:54,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:55:54,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:56:09,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:56:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:56:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:56:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:09,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:09,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:56:09,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:56:09,626 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:56:09,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:56:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:10,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:56:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:10,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:56:10,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:56:26,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:56:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:56:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:56:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:26,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:26,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:56:26,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:56:26,302 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:56:26,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:56:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:26,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:56:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:26,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:56:26,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:56:41,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:56:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:56:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:56:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:41,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:41,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:56:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:56:41,840 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:56:41,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:56:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:42,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:56:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:42,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:56:42,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:56:58,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 21:56:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:56:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:56:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:58,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:58,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:56:58,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:56:58,624 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:56:58,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:56:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:59,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:56:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:59,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:56:59,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:57:13,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 21:57:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:57:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:57:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:57:13,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:13,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:13,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:13,752 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:13,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:57:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:14,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:57:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:14,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:57:14,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:57:29,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:57:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:57:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:57:29,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:57:29,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:29,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:29,838 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:29,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:57:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:30,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:57:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:30,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:57:30,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:57:44,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:57:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:57:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:57:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:57:44,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:44,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:44,399 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:44,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:57:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:44,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:57:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:45,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:57:45,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:57:59,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 21:57:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:57:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:57:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:57:59,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:59,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:59,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:57:59,537 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:57:59,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:57:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:59,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:58:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:00,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:58:00,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:58:14,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:58:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-12-02 21:58:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-12-02 21:58:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:58:14,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:14,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:14,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:14,921 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:14,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:58:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:15,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:58:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:15,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:58:15,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-02 21:58:31,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:58:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:58:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:58:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:58:36,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:36,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:36,130 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:58:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:36,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:58:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:36,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:58:36,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:58:50,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:58:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:58:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:58:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:58:50,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:50,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:50,927 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:50,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:58:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:51,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:58:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:51,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:58:51,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:59:05,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:59:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:59:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:59:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:59:05,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:05,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:05,992 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:05,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:59:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:06,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:06,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:59:06,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:59:20,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:59:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:59:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:59:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:59:20,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:20,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:20,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:20,840 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:20,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:59:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:21,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:21,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:59:21,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:59:35,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:59:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:59:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:59:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:59:35,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:35,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:35,806 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:35,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:59:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:36,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:36,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:59:36,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 21:59:50,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 21:59:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 21:59:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 21:59:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:59:50,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:50,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:50,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:50,455 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:50,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:59:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:50,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:50,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:59:50,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:00:04,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:00:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:00:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:00:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:00:04,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:04,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:04,847 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:00:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:05,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:05,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:00:05,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:00:19,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 22:00:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:00:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:00:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:00:19,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:19,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:19,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:19,736 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:19,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:00:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:20,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:20,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:00:20,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:00:34,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:00:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:00:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:00:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:00:34,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:34,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:34,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:34,222 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:34,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:00:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:34,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:34,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:00:34,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:00:48,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:00:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:00:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:00:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:00:48,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:48,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:00:48,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:00:48,558 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:00:48,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:00:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:48,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:00:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:49,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:00:49,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:01:02,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:01:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:01:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:01:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:01:02,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:02,994 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:02,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:01:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:03,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:03,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:01:03,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:01:17,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:01:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:01:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:01:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:01:17,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:17,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:17,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:17,867 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:17,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:01:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:18,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:18,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:01:18,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:01:32,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:01:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:01:32,696 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:01:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:01:32,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:32,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:32,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:32,699 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:01:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:33,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:33,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:01:33,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:01:46,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:01:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:01:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:01:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:01:46,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:46,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:46,968 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:46,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:01:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:47,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:01:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:47,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:01:47,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:02:01,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:02:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:02:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:02:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:02:01,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:01,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:01,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:01,983 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:01,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:02:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:02,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:02,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:02:02,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:02:16,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:02:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:02:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:02:17,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:17,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:17,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:17,012 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:17,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:02:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:17,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:17,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:02:17,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:02:32,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:02:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:02:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:02:32,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:32,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:32,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:32,134 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:32,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:02:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:32,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:02:32,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:02:46,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:02:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:02:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:02:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:02:46,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:46,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:46,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:46,993 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:02:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:47,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:47,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:02:47,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:03:02,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:03:02,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:02,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:03:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:03:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:03:02,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:02,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:02,808 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:02,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:03:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:03,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:03,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:03:03,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:03:18,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:03:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:03:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:03:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:03:18,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:18,981 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:18,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:03:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:19,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:19,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:03:19,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:03:34,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:03:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:03:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:03:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:03:34,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:34,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:34,184 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:34,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:03:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:34,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:34,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:03:34,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:03:49,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:03:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:03:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:03:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:03:49,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:49,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:49,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:49,939 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:03:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:50,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:50,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:03:50,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:04:04,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:04:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:04:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:04:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:04:04,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:04,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:04,839 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:04,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:04:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:05,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:05,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:05,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:04:19,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-02 22:04:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:04:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:04:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:04:19,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:19,484 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:19,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:04:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:19,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:20,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:20,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:04:34,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-02 22:04:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:04:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:04:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:04:34,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:34,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:34,838 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:34,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:04:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:35,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:35,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:35,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:04:49,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:04:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:04:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:04:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:04:49,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:49,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:04:49,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:04:49,066 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:04:49,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:04:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:49,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:49,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:04:49,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:05:04,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:05:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:05:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:05:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:05:04,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:04,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:04,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:04,063 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:04,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:05:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:04,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:04,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:05:04,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 22:05:19,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:05:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-02 22:05:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-02 22:05:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:05:19,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:05:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:05:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:05:19,912 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:05:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910722e1-cc85-4093-aa54-b56e688d551a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:05:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:20,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:05:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:05:20,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:05:20,497 INFO L285 TraceCheckSpWp]: Computing forward predicates...