./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/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_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:01,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:01,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:22:01,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:22:01,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:22:01,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:01,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:01,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:01,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:01,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:01,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:01,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:01,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:01,905 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:22:01,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:22:01,906 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:22:01,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:01,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:22:01,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:01,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:01,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:01,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:01,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:01,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:01,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:01,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:01,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:01,913 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:22:01,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:22:01,914 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_5f6907c4-f93b-4275-be03-29e0240b1b50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-12-02 23:22:02,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:02,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:02,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:02,137 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:02,138 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:02,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-12-02 23:22:04,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:05,242 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:05,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-12-02 23:22:05,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/2ee1f4d21/6463791a7b2344fb837b4195c13d1cbc/FLAG6038f9044 [2023-12-02 23:22:05,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/2ee1f4d21/6463791a7b2344fb837b4195c13d1cbc [2023-12-02 23:22:05,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:05,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:05,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:05,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:05,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:05,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:05" (1/1) ... [2023-12-02 23:22:05,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5252a095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:05, skipping insertion in model container [2023-12-02 23:22:05,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:05" (1/1) ... [2023-12-02 23:22:05,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:06,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:06,756 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:06,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:07,033 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:07,041 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:07,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07 WrapperNode [2023-12-02 23:22:07,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:07,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:07,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:07,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:07,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,211 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 202, calls inlined = 264, statements flattened = 2104 [2023-12-02 23:22:07,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:07,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:07,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:07,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:07,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:07,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:07,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:07,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:07,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:07" (1/1) ... [2023-12-02 23:22:07,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:07,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:07,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:07,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:22:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 23:22:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:22:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:22:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 23:22:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:22:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:22:07,696 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:07,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:09,942 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:10,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:10,753 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 23:22:10,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:10 BoogieIcfgContainer [2023-12-02 23:22:10,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:10,757 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:10,757 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:10,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:10,767 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:10" (1/1) ... [2023-12-02 23:22:10,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 572 states and 650 transitions. [2023-12-02 23:22:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 650 transitions. [2023-12-02 23:22:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:22:10,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-12-02 23:22:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-12-02 23:22:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:22:12,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:12,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 570 states and 648 transitions. [2023-12-02 23:22:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 648 transitions. [2023-12-02 23:22:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:22:13,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:13,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-12-02 23:22:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-12-02 23:22:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:22:13,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2023-12-02 23:22:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2023-12-02 23:22:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:22:13,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:13,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 567 states and 645 transitions. [2023-12-02 23:22:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 645 transitions. [2023-12-02 23:22:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:22:15,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:15,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-12-02 23:22:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-12-02 23:22:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:22:16,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:16,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2023-12-02 23:22:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2023-12-02 23:22:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:22:17,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-12-02 23:22:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-12-02 23:22:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:22:17,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:22:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 571 states and 652 transitions. [2023-12-02 23:22:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 652 transitions. [2023-12-02 23:22:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:22:19,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 573 states and 654 transitions. [2023-12-02 23:22:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 654 transitions. [2023-12-02 23:22:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:22:20,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 575 states and 656 transitions. [2023-12-02 23:22:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 656 transitions. [2023-12-02 23:22:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:22:21,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:21,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 577 states and 658 transitions. [2023-12-02 23:22:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 658 transitions. [2023-12-02 23:22:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:24,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 576 states and 657 transitions. [2023-12-02 23:22:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 657 transitions. [2023-12-02 23:22:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:25,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:25,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 577 states and 660 transitions. [2023-12-02 23:22:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 660 transitions. [2023-12-02 23:22:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:22:25,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:26,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 576 states and 659 transitions. [2023-12-02 23:22:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 659 transitions. [2023-12-02 23:22:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:22:26,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:26,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 577 states and 660 transitions. [2023-12-02 23:22:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 660 transitions. [2023-12-02 23:22:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:22:26,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:22:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-12-02 23:22:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-12-02 23:22:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:22:26,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 573 states and 650 transitions. [2023-12-02 23:22:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 650 transitions. [2023-12-02 23:22:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:22:28,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:28,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 575 states and 652 transitions. [2023-12-02 23:22:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 652 transitions. [2023-12-02 23:22:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:22:29,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 577 states and 654 transitions. [2023-12-02 23:22:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 654 transitions. [2023-12-02 23:22:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:22:30,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:30,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 579 states and 656 transitions. [2023-12-02 23:22:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 656 transitions. [2023-12-02 23:22:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:22:31,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 581 states and 658 transitions. [2023-12-02 23:22:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 658 transitions. [2023-12-02 23:22:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:22:32,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 583 states and 659 transitions. [2023-12-02 23:22:33,181 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 659 transitions. [2023-12-02 23:22:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:22:33,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:33,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:33,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:22:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:22:36,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:22:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:22:46,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:22:46,821 INFO L158 Benchmark]: Toolchain (without parser) took 41531.46ms. Allocated memory was 140.5MB in the beginning and 373.3MB in the end (delta: 232.8MB). Free memory was 97.7MB in the beginning and 132.6MB in the end (delta: -34.9MB). Peak memory consumption was 200.8MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,822 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:22:46,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1751.43ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 97.7MB in the beginning and 68.9MB in the end (delta: 28.8MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.70ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 114.7MB in the end (delta: -45.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,824 INFO L158 Benchmark]: Boogie Preprocessor took 145.49ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 103.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,824 INFO L158 Benchmark]: RCFGBuilder took 3397.48ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 103.1MB in the beginning and 90.6MB in the end (delta: 12.5MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,825 INFO L158 Benchmark]: CodeCheck took 36063.71ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 90.6MB in the beginning and 132.6MB in the end (delta: -41.9MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2023-12-02 23:22:46,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1751.43ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 97.7MB in the beginning and 68.9MB in the end (delta: 28.8MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.70ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 114.7MB in the end (delta: -45.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.49ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 103.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3397.48ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 103.1MB in the beginning and 90.6MB in the end (delta: 12.5MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * CodeCheck took 36063.71ms. Allocated memory was 213.9MB in the beginning and 373.3MB in the end (delta: 159.4MB). Free memory was 90.6MB in the beginning and 132.6MB in the end (delta: -41.9MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:22:46,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/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_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/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_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:48,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:48,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 23:22:48,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:48,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:48,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:48,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:48,809 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:48,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:48,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:48,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:48,811 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:22:48,812 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:22:48,812 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:22:48,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:48,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:22:48,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:22:48,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:22:48,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:22:48,816 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:48,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:48,817 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:48,817 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:48,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:48,818 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:48,819 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:22:48,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:48,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:48,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:48,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:48,821 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:22:48,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:48,822 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:22:48,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:22:48,822 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_5f6907c4-f93b-4275-be03-29e0240b1b50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2023-12-02 23:22:49,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:49,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:49,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:49,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:49,144 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:49,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-12-02 23:22:51,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:52,305 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:52,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2023-12-02 23:22:52,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/64afdd42b/24ca1c950aaf42d0b2db2b0c53246725/FLAG6ddf59c05 [2023-12-02 23:22:52,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/data/64afdd42b/24ca1c950aaf42d0b2db2b0c53246725 [2023-12-02 23:22:52,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:52,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:52,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:52,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:52,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:52,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca2ab82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:52, skipping insertion in model container [2023-12-02 23:22:52,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:52" (1/1) ... [2023-12-02 23:22:52,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:53,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:53,572 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:22:53,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:53,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:53,736 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:53,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:54,046 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:22:54,054 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:54,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54 WrapperNode [2023-12-02 23:22:54,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:54,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:54,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:54,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:54,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,228 INFO L138 Inliner]: procedures = 482, calls = 840, calls flagged for inlining = 202, calls inlined = 264, statements flattened = 1906 [2023-12-02 23:22:54,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:54,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:54,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:54,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:54,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:54,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:54,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:54,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:54,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:54" (1/1) ... [2023-12-02 23:22:54,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:54,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:54,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 23:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:22:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 23:22:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:22:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 23:22:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-02 23:22:54,737 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:54,740 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:23:02,622 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:23:03,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:23:03,137 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 23:23:03,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:03 BoogieIcfgContainer [2023-12-02 23:23:03,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:23:03,140 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:23:03,140 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:23:03,148 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:23:03,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:23:03" (1/1) ... [2023-12-02 23:23:03,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:23:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 572 states and 650 transitions. [2023-12-02 23:23:03,210 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 650 transitions. [2023-12-02 23:23:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:23:03,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:03,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:03,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:03,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:23:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:03,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:04,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:23:04,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:04,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:08,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-12-02 23:23:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-12-02 23:23:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 23:23:08,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:08,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:08,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:23:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:08,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:08,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:23:08,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:09,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:23:14,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 570 states and 648 transitions. [2023-12-02 23:23:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 648 transitions. [2023-12-02 23:23:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:23:14,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:14,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:14,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:14,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:14,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:23:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:14,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:14,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:23:14,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:14,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:23:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-12-02 23:23:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-12-02 23:23:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:23:15,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:15,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:15,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:15,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:15,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:23:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:15,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:15,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:23:15,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:16,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:23:16,003 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:23:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 568 states and 646 transitions. [2023-12-02 23:23:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 646 transitions. [2023-12-02 23:23:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:23:16,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:16,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:16,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:16,126 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:16,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:23:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:16,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:16,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:16,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:16,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:23:23,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 567 states and 645 transitions. [2023-12-02 23:23:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 645 transitions. [2023-12-02 23:23:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:23:23,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:23,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:23,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:23,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:23:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:24,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:24,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:23:24,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:24,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 23:23:29,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:23:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 569 states and 647 transitions. [2023-12-02 23:23:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 647 transitions. [2023-12-02 23:23:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:23:30,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:30,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:30,359 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:30,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:23:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:31,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:31,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:23:31,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:31,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:23:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 571 states and 649 transitions. [2023-12-02 23:23:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 649 transitions. [2023-12-02 23:23:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:23:31,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:31,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:31,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:31,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:31,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:23:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:32,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:32,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:23:32,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:32,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:23:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 573 states and 651 transitions. [2023-12-02 23:23:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 651 transitions. [2023-12-02 23:23:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:23:33,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:33,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:33,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:33,417 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:33,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:23:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:23:34,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:34,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:23:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 575 states and 653 transitions. [2023-12-02 23:23:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 653 transitions. [2023-12-02 23:23:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:23:35,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:35,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:35,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:35,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:35,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:23:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:35,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:35,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:23:35,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:36,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:23:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 577 states and 655 transitions. [2023-12-02 23:23:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 655 transitions. [2023-12-02 23:23:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:23:36,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:36,768 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:36,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:23:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:37,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:37,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:23:37,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:38,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:23:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 579 states and 657 transitions. [2023-12-02 23:23:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 657 transitions. [2023-12-02 23:23:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:23:38,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:38,737 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:38,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:23:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:39,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:39,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:23:39,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:40,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:23:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 581 states and 659 transitions. [2023-12-02 23:23:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 659 transitions. [2023-12-02 23:23:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:23:40,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:40,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:40,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:23:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:41,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:41,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:23:41,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:42,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:23:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 583 states and 661 transitions. [2023-12-02 23:23:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 661 transitions. [2023-12-02 23:23:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:23:43,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:43,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:43,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:43,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:43,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:23:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:43,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:44,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:23:44,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:44,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:23:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 585 states and 663 transitions. [2023-12-02 23:23:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 663 transitions. [2023-12-02 23:23:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:23:45,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:45,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:45,286 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:45,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:23:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:46,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:46,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:23:46,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:46,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:23:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 587 states and 665 transitions. [2023-12-02 23:23:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 665 transitions. [2023-12-02 23:23:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:23:47,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:47,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:47,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:47,759 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:47,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:23:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:48,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:48,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:23:48,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:49,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:23:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 585 states and 662 transitions. [2023-12-02 23:23:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 662 transitions. [2023-12-02 23:23:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:23:51,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:51,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:51,042 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:51,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:23:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:52,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:52,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:52,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:23:52,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:23:58,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 587 states and 667 transitions. [2023-12-02 23:24:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 667 transitions. [2023-12-02 23:24:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:24:02,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:02,777 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:24:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:03,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:04,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:24:04,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:24:04,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:24:10,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:24:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 589 states and 669 transitions. [2023-12-02 23:24:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 669 transitions. [2023-12-02 23:24:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:24:18,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:18,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:18,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:18,626 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:18,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:24:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:19,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:19,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:24:19,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:24:19,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:24:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 588 states and 668 transitions. [2023-12-02 23:24:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 668 transitions. [2023-12-02 23:24:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:24:20,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:20,032 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:20,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:24:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:21,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:21,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:24:21,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:24:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:24:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 589 states and 669 transitions. [2023-12-02 23:24:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 669 transitions. [2023-12-02 23:24:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:24:22,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:22,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:22,042 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:24:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:23,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:23,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:24:23,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:24:23,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:24:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 582 states and 658 transitions. [2023-12-02 23:24:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 658 transitions. [2023-12-02 23:24:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:24:23,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:23,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:23,951 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:23,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:24:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:24:26,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:24:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:24:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:24:39,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:24:39,567 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:24:39,570 INFO L158 Benchmark]: Toolchain (without parser) took 107222.79ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 76.7MB in the beginning and 62.7MB in the end (delta: 14.0MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,570 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:24:39,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1707.08ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 76.5MB in the beginning and 60.4MB in the end (delta: 16.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.53ms. Allocated memory is still 125.8MB. Free memory was 60.4MB in the beginning and 76.5MB in the end (delta: -16.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,572 INFO L158 Benchmark]: Boogie Preprocessor took 124.92ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,572 INFO L158 Benchmark]: RCFGBuilder took 8784.43ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 63.9MB in the beginning and 60.0MB in the end (delta: 3.9MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,573 INFO L158 Benchmark]: CodeCheck took 96429.52ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 62.7MB in the end (delta: -2.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-12-02 23:24:39,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1707.08ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 76.5MB in the beginning and 60.4MB in the end (delta: 16.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.53ms. Allocated memory is still 125.8MB. Free memory was 60.4MB in the beginning and 76.5MB in the end (delta: -16.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.92ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8784.43ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 63.9MB in the beginning and 60.0MB in the end (delta: 3.9MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * CodeCheck took 96429.52ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 62.7MB in the end (delta: -2.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:24:39,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6907c4-f93b-4275-be03-29e0240b1b50/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown