./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:50:41,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:50:41,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 03:50:41,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:50:41,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:50:41,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:50:41,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:50:41,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:50:41,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:50:41,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:50:41,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:50:41,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:50:41,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:50:41,389 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:50:41,389 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:50:41,390 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:50:41,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:50:41,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:50:41,391 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:50:41,392 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:50:41,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:50:41,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:50:41,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:50:41,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:50:41,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:41,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:50:41,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:50:41,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:50:41,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:50:41,397 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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2023-12-03 03:50:41,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:50:41,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:50:41,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:50:41,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:50:41,633 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:50:41,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-properties/list-1.i [2023-12-03 03:50:44,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:50:44,565 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:50:44,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/sv-benchmarks/c/list-properties/list-1.i [2023-12-03 03:50:44,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/8b6d277bf/f795ab6f2579449fa16c3d5610d4951a/FLAG50626b034 [2023-12-03 03:50:44,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/8b6d277bf/f795ab6f2579449fa16c3d5610d4951a [2023-12-03 03:50:44,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:50:44,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:50:44,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:44,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:50:44,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:50:44,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:44,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779985a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44, skipping insertion in model container [2023-12-03 03:50:44,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:44,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:50:44,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:44,915 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:50:44,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:44,983 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:50:44,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44 WrapperNode [2023-12-03 03:50:44,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:44,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:44,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:50:44,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:50:44,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,027 INFO L138 Inliner]: procedures = 124, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 94 [2023-12-03 03:50:45,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:45,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:50:45,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:50:45,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:50:45,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:50:45,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:50:45,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:50:45,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:50:45,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:44" (1/1) ... [2023-12-03 03:50:45,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:50:45,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:50:45,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:50:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:50:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:50:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:50:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:50:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:50:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:50:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:50:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:50:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:50:45,240 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:50:45,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:50:45,481 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:50:45,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:50:45,525 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 03:50:45,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:45 BoogieIcfgContainer [2023-12-03 03:50:45,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:50:45,528 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:50:45,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:50:45,536 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:50:45,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:45" (1/1) ... [2023-12-03 03:50:45,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:50:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2023-12-03 03:50:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-12-03 03:50:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:50:45,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2023-12-03 03:50:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-12-03 03:50:45,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:50:45,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2023-12-03 03:50:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2023-12-03 03:50:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:50:45,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:45,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2023-12-03 03:50:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2023-12-03 03:50:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2023-12-03 03:50:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-12-03 03:50:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2023-12-03 03:50:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-12-03 03:50:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2023-12-03 03:50:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-12-03 03:50:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2023-12-03 03:50:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-12-03 03:50:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2023-12-03 03:50:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-12-03 03:50:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:50:46,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2023-12-03 03:50:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2023-12-03 03:50:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:46,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2023-12-03 03:50:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-12-03 03:50:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:46,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-12-03 03:50:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-12-03 03:50:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:47,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2023-12-03 03:50:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-12-03 03:50:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:47,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 85 states and 122 transitions. [2023-12-03 03:50:47,509 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2023-12-03 03:50:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:47,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 87 states and 126 transitions. [2023-12-03 03:50:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2023-12-03 03:50:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:47,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 87 states and 125 transitions. [2023-12-03 03:50:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-12-03 03:50:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:47,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 88 states and 126 transitions. [2023-12-03 03:50:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-12-03 03:50:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:47,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 127 transitions. [2023-12-03 03:50:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2023-12-03 03:50:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:48,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 88 states and 126 transitions. [2023-12-03 03:50:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-12-03 03:50:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:48,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-12-03 03:50:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-12-03 03:50:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:48,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2023-12-03 03:50:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2023-12-03 03:50:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:48,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2023-12-03 03:50:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2023-12-03 03:50:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:48,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:48,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2023-12-03 03:50:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2023-12-03 03:50:49,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:49,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:49,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2023-12-03 03:50:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2023-12-03 03:50:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:50,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:50,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2023-12-03 03:50:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2023-12-03 03:50:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:51,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2023-12-03 03:50:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2023-12-03 03:50:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:51,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2023-12-03 03:50:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2023-12-03 03:50:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:51,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 94 states and 148 transitions. [2023-12-03 03:50:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2023-12-03 03:50:51,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:51,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 97 states and 156 transitions. [2023-12-03 03:50:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2023-12-03 03:50:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:51,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 161 transitions. [2023-12-03 03:50:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2023-12-03 03:50:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:51,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 100 states and 163 transitions. [2023-12-03 03:50:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2023-12-03 03:50:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:52,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 101 states and 164 transitions. [2023-12-03 03:50:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 164 transitions. [2023-12-03 03:50:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:53,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:53,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2023-12-03 03:50:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2023-12-03 03:50:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:54,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:54,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2023-12-03 03:50:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2023-12-03 03:50:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:55,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2023-12-03 03:50:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2023-12-03 03:50:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:56,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:56,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 125 transitions. [2023-12-03 03:50:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2023-12-03 03:50:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:58,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 87 states and 140 transitions. [2023-12-03 03:50:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2023-12-03 03:50:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:59,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2023-12-03 03:50:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-12-03 03:50:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:59,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:59,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:59,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:50:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:59,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:51:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:00,019 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 38 iterations. [2023-12-03 03:51:00,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 03:51:00,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-03 03:51:00,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 03:51:00,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:51:00 ImpRootNode [2023-12-03 03:51:00,048 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:51:00,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:51:00,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:51:00,048 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:51:00,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:45" (3/4) ... [2023-12-03 03:51:00,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:51:00,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:51:00,052 INFO L158 Benchmark]: Toolchain (without parser) took 15452.47ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 77.6MB in the beginning and 122.8MB in the end (delta: -45.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,053 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:00,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.68ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 60.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.83ms. Allocated memory is still 119.5MB. Free memory was 60.3MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,054 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 119.5MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,055 INFO L158 Benchmark]: RCFGBuilder took 467.96ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 56.6MB in the beginning and 103.7MB in the end (delta: -47.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,056 INFO L158 Benchmark]: CodeCheck took 14519.90ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.7MB in the beginning and 123.8MB in the end (delta: -20.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,056 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:00,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 58 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3393 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2481 mSDsluCounter, 4745 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3404 mSDsCounter, 2270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7064 IncrementalHoareTripleChecker+Invalid, 9334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2270 mSolverCounterUnsat, 1341 mSDtfsCounter, 7064 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3307 GetRequests, 3024 SyntacticMatches, 87 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15931 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1944 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 32 PerfectInterpolantSequences, 14/24 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; VAL [a={-1:0}, p={-1:0}] [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] COND FALSE !(__VERIFIER_nondet_int()) [L550] p->h = 3 [L551] p = a VAL [a={-1:0}, p={-1:0}] [L552] EXPR p->h VAL [a={-1:0}, p={-1:0}] [L552] COND FALSE !(p->h == 1) [L554] EXPR p->h VAL [a={-1:0}, p={-1:0}] [L554] COND FALSE !(p->h == 2) [L556] EXPR p->h VAL [a={-1:0}, p={-1:0}] [L556] COND FALSE !(p->h != 3) [L558] return 0; VAL [\result=0, a={-1:0}, p={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.68ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 60.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.83ms. Allocated memory is still 119.5MB. Free memory was 60.3MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 119.5MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.96ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 56.6MB in the beginning and 103.7MB in the end (delta: -47.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 14519.90ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.7MB in the beginning and 123.8MB in the end (delta: -20.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:51:00,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:51:02,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:51:02,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 03:51:02,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:51:02,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:51:02,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:51:02,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:51:02,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:51:02,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:51:02,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:51:02,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:51:02,225 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:51:02,226 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:51:02,226 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:51:02,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:51:02,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:51:02,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:51:02,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:51:02,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:51:02,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:51:02,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:51:02,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:51:02,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:51:02,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:51:02,236 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:02,236 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:51:02,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:51:02,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:02,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:51:02,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:51:02,238 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:51:02,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:02,239 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:51:02,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:51:02,239 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_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2023-12-03 03:51:02,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:51:02,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:51:02,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:51:02,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:51:02,568 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:51:02,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-properties/list-1.i [2023-12-03 03:51:05,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:51:05,618 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:51:05,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/sv-benchmarks/c/list-properties/list-1.i [2023-12-03 03:51:05,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/bba4a6595/085bc76f9538418e80d31231b72720b2/FLAG382d9c796 [2023-12-03 03:51:05,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/data/bba4a6595/085bc76f9538418e80d31231b72720b2 [2023-12-03 03:51:05,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:51:05,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:51:05,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:05,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:51:05,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:51:05,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:05" (1/1) ... [2023-12-03 03:51:05,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f763ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:05, skipping insertion in model container [2023-12-03 03:51:05,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:05" (1/1) ... [2023-12-03 03:51:05,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:51:06,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:06,017 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:51:06,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:06,095 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:51:06,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06 WrapperNode [2023-12-03 03:51:06,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:06,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:06,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:51:06,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:51:06,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,148 INFO L138 Inliner]: procedures = 127, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 93 [2023-12-03 03:51:06,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:06,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:51:06,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:51:06,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:51:06,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:51:06,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:51:06,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:51:06,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:51:06,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:51:06,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:51:06,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:51:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:51:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:51:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:51:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:51:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:51:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:51:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:51:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:51:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:51:06,409 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:51:06,412 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:51:06,762 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:51:06,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:51:06,808 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 03:51:06,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:06 BoogieIcfgContainer [2023-12-03 03:51:06,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:51:06,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:51:06,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:51:06,821 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:51:06,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:06" (1/1) ... [2023-12-03 03:51:06,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:51:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2023-12-03 03:51:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-12-03 03:51:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:51:06,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:06,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:06,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:06,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:51:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:06,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:51:07,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:07,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:07,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2023-12-03 03:51:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-12-03 03:51:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:51:07,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:07,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:07,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:07,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:07,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:51:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:07,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:07,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 03:51:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:07,247 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:07,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:51:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2023-12-03 03:51:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2023-12-03 03:51:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:51:07,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:07,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:07,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:07,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:07,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:51:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:51:07,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:07,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:07,511 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:07,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:51:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2023-12-03 03:51:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2023-12-03 03:51:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:07,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:07,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:07,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:07,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:07,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:51:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:07,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:07,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:07,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 03:51:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:07,929 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:07,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:51:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2023-12-03 03:51:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-12-03 03:51:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:07,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:07,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:07,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:07,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:07,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:51:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:08,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:08,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:51:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2023-12-03 03:51:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-12-03 03:51:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:08,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:08,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:08,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:08,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:51:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:08,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 03:51:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:08,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2023-12-03 03:51:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-12-03 03:51:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:08,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:08,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:08,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:08,330 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:08,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:51:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:08,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:08,468 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:08,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:51:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2023-12-03 03:51:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-12-03 03:51:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:08,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:08,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:08,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:51:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:08,648 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-03 03:51:08,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-03 03:51:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:08,663 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:51:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2023-12-03 03:51:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-12-03 03:51:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:51:08,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:08,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:08,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:08,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:08,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:51:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:08,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 03:51:08,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-03 03:51:08,923 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 03:51:08,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 03:51:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:08,936 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:08,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:51:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2023-12-03 03:51:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2023-12-03 03:51:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:51:08,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:08,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:08,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:08,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:51:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:09,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:09,124 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:09,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2023-12-03 03:51:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-12-03 03:51:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:51:09,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:09,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:09,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:09,381 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:09,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:51:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:51:09,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:09,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:09,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:51:09,529 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-12-03 03:51:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-12-03 03:51:09,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:51:09,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:09,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:09,803 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:09,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:51:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:09,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:09,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:09,917 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:09,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:51:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2023-12-03 03:51:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-12-03 03:51:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:51:09,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:09,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:09,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:09,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:51:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:10,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:10,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:51:10,202 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2023-12-03 03:51:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2023-12-03 03:51:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:51:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:10,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:10,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:10,592 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:51:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:51:10,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:10,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 03:51:10,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-12-03 03:51:10,771 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-12-03 03:51:10,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-12-03 03:51:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:10,781 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:10,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:51:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2023-12-03 03:51:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2023-12-03 03:51:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:51:10,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:10,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:10,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:51:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:10,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:10,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:10,973 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-12-03 03:51:10,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-12-03 03:51:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:10,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:51:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 85 states and 118 transitions. [2023-12-03 03:51:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2023-12-03 03:51:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:11,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:11,078 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:11,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:51:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:11,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:11,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:11,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:11,184 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:11,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:51:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-12-03 03:51:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-12-03 03:51:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:11,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:11,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:11,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:11,218 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:11,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:51:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:11,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:11,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:11,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:51:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2023-12-03 03:51:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2023-12-03 03:51:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:12,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:12,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:12,035 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:12,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:51:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:12,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:12,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:12,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:12,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:51:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-12-03 03:51:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-12-03 03:51:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:12,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:12,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:12,146 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:12,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:51:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:12,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:12,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:51:12,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:12,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 03:51:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:12,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:51:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 88 states and 125 transitions. [2023-12-03 03:51:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2023-12-03 03:51:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:13,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:13,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:13,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:13,286 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:13,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:51:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:13,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:13,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:51:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 124 transitions. [2023-12-03 03:51:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2023-12-03 03:51:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:13,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:13,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:13,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:13,434 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:13,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:51:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:13,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:13,552 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:13,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:51:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2023-12-03 03:51:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-12-03 03:51:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:51:13,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:13,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:13,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:13,599 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:13,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:51:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:13,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:51:13,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:13,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 03:51:13,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-03 03:51:13,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-03 03:51:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:13,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:51:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 124 transitions. [2023-12-03 03:51:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2023-12-03 03:51:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:51:14,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:14,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:14,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:14,983 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:14,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:51:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:15,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:15,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:51:15,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:15,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:15,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-03 03:51:15,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 03:51:15,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-12-03 03:51:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:15,413 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:51:15,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2023-12-03 03:51:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-12-03 03:51:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:51:16,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:16,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:16,869 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:16,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:51:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:16,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:16,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:16,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:16,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:51:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2023-12-03 03:51:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2023-12-03 03:51:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:51:16,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:16,988 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:16,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:51:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:17,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:17,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:51:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2023-12-03 03:51:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-12-03 03:51:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:51:17,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:17,152 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:17,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:51:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:17,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:17,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:51:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2023-12-03 03:51:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2023-12-03 03:51:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:51:17,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:17,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:17,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:17,301 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:17,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:51:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:17,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:51:17,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:17,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 03:51:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:17,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:51:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2023-12-03 03:51:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2023-12-03 03:51:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:51:19,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:19,565 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:19,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:51:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:19,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:19,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:51:19,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:19,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 03:51:19,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-03 03:51:19,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 03:51:19,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-12-03 03:51:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:19,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:51:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 92 transitions. [2023-12-03 03:51:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2023-12-03 03:51:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:51:21,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:21,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:21,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:21,102 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:21,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:51:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:21,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:21,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:51:21,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:21,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-12-03 03:51:21,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-03 03:51:21,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-03 03:51:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:21,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:51:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2023-12-03 03:51:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-12-03 03:51:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:51:21,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:21,951 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:21,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:51:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:22,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:22,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:51:22,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:22,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:51:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2023-12-03 03:51:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2023-12-03 03:51:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:51:26,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:26,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:26,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:26,079 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:26,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:51:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:26,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:26,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:26,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:26,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:51:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2023-12-03 03:51:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2023-12-03 03:51:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:51:27,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:27,795 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:27,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:51:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:27,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:27,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:51:27,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:28,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:51:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2023-12-03 03:51:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2023-12-03 03:51:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:51:28,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:28,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:28,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:28,148 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:28,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:51:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:28,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:28,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:28,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:28,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:51:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2023-12-03 03:51:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2023-12-03 03:51:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:51:28,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:28,392 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:28,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:51:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:28,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:51:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:28,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:51:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:51:28,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:28,610 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2023-12-03 03:51:28,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 03:51:28,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated [2023-12-03 03:51:28,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated [2023-12-03 03:51:28,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:51:28 ImpRootNode [2023-12-03 03:51:28,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:51:28,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:51:28,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:51:28,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:51:28,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:06" (3/4) ... [2023-12-03 03:51:28,632 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:51:28,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:51:28,633 INFO L158 Benchmark]: Toolchain (without parser) took 22978.71ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,633 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:28,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.09ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 51.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.98ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 50.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,634 INFO L158 Benchmark]: Boogie Preprocessor took 35.13ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,634 INFO L158 Benchmark]: RCFGBuilder took 624.61ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 54.8MB in the end (delta: -6.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,634 INFO L158 Benchmark]: CodeCheck took 21818.80ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.8MB in the beginning and 68.2MB in the end (delta: -13.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:28,635 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:28,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 58 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2684 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1868 mSDsluCounter, 3741 SdHoareTripleChecker+Invalid, 17.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2582 mSDsCounter, 2028 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5117 IncrementalHoareTripleChecker+Invalid, 7145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2028 mSolverCounterUnsat, 1159 mSDtfsCounter, 5117 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2867 GetRequests, 2680 SyntacticMatches, 49 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6941 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 1498 SizeOfPredicates, 55 NumberOfNonLiveVariables, 1760 ConjunctsInSsa, 166 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 10/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; VAL [a={3:0}, p={3:0}] [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] COND FALSE !(__VERIFIER_nondet_int()) [L550] p->h = 3 [L551] p = a VAL [a={3:0}, p={3:0}] [L552] EXPR p->h VAL [a={3:0}, p={3:0}] [L552] COND FALSE !(p->h == 1) [L554] EXPR p->h VAL [a={3:0}, p={3:0}] [L554] COND FALSE !(p->h == 2) [L556] EXPR p->h VAL [a={3:0}, p={3:0}] [L556] COND FALSE !(p->h != 3) [L558] return 0; VAL [\result=0, a={3:0}, p={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.09ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 51.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.98ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 50.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.13ms. Allocated memory is still 94.4MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.61ms. Allocated memory is still 94.4MB. Free memory was 48.0MB in the beginning and 54.8MB in the end (delta: -6.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 21818.80ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.8MB in the beginning and 68.2MB in the end (delta: -13.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:51:28,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8d000f-ada5-40a2-acfd-10c613e4a4b2/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample